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Patent Assignment Assignor Details
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Assignor Name : DRENT, EIT
Total Assignments: 182
Assignment: 1
Reel/Frame:003915/0005   Pages: 1
Recorded: 10/07/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
06/30/1980
Assignee
1
SHELL OIL COMPANY, A CORP. OF DE.
STATELESS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4311862
NONE
06171685
Correspondence name and address
RONALD L. CLENDENEN
SHELL DEV. CO.,
PATS. & LICENSING DIV.
P. O. BOX 2463
HOUSTON, TX 77001
Assignment: 2
Reel/Frame:004188/0682   Pages: 1
Recorded: 11/10/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
06/19/1981
Assignee
1
SHELL OIL COMPANY, A DE CORP.
TEXAS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4429150
NONE
06280422
Correspondence name and address
RONALD L. CLENDENEN
SHELL DEVELOPMENT CO.
PATS. & LICENSING DIV.
P. O. BOX 2463
HOUSTON, TX 77001
Assignment: 3
Reel/Frame:004088/0413   Pages: 1
Recorded: 01/28/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
10/15/1981
Assignee
1
SHELL OIL COMPANY, A CORP. OF DEL.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4382148
NONE
06315681
Correspondence name and address
RONALD L. CLENDENEN
SHELL DEV. CO.
PATS. & LICENSING DIV.
P. O. BOX 2463
HOUSTON, TX 77001
Assignment: 4
Reel/Frame:004240/0276   Pages: 1
Recorded: 03/30/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
02/16/1982
Assignee
1
SHELL OIL COMPANY, A DE CORP.
DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4461910
NONE
06355957
Correspondence name and address
RONALD R. REPER
C/O SHELL DEV. CO.
PATS. & LICENSING DIV.
P. O. BOX 2463
HOUSTON, TX 77001
Assignment: 5
Reel/Frame:004157/0601   Pages: 1
Recorded: 08/12/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
05/14/1982
Assignee
1
SHELL OIL COMPANY A DE CORP.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4414421
NONE
06382029
Correspondence name and address
RONALD L. CLENDENEN
SHELL DEVELOPMENT CO.
PATENTS & LICENSING DIV.
P. O. BOX 2463
HOUSTON, TX 77001
Assignment: 6
Reel/Frame:004023/0849   Pages: 1
Recorded: 08/11/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
06/15/1982
Assignee
1
SHELL OIL COMPANY
P. O. BOX 2463
A CORP. OF DE
HOUSTON, TEXAS 77001
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4356126
NONE
06274616
Correspondence name and address
RONALD L. CLENDENEN
SHELL DEVELOPMENT CO.,
PATENTS & LICENSING DIV.
P. O. BOX 2463
HOUSTON, TX 77001
Assignment: 7
Reel/Frame:004624/0325   Pages: 1
Recorded: 10/29/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
06/17/1982
Assignee
1
SHELL OIL COMPANY
A CORP OF DE
NOT PROVIDED
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4640802
NONE
06395952
Correspondence name and address
RONALD L. CLENDENEN
SHELL DEV. CO., PAT. & LICENSING DIV.
P.O. BOX 2463
HOUSTON, TX 77001
Assignment: 8
Reel/Frame:004655/0370   Pages: 1
Recorded: 02/02/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
06/17/1982
Assignee
1
SHELL OIL COMPANY, A DE. CORP.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4664851
NONE
06399163
Correspondence name and address
RONALD L. CLENDENEN
SHELL DEV., CO., PATS. & LICENSING DIV.
P. O. BOX 2463
HOUSTON, TX 77001
Assignment: 9
Reel/Frame:004178/0019   Pages: 1
Recorded: 10/17/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
06/29/1982
Assignee
1
SHELL OIL COMPANY
A DE CORP.
STATELESS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4426331
NONE
06399167
Correspondence name and address
RICHARD F. LEMUTH
SHELL DEV., CO., PATS. & LICENSING DIV.
P. O. BOX 2463
HOUSTON, TX 77001
Assignment: 10
Reel/Frame:004265/0505   Pages: 1
Recorded: 06/11/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DRENT, EIT
Exec Dt:
10/03/1983
2
VAN LEEUWEN, PETRUS W. N. M.
Exec Dt:
10/03/1983
Assignee
1
SHELL OIL COMPANY, A CORP. OF DE
HOUSTON, TEXAS 77001
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4474978
NONE
06542805
Correspondence name and address
RONALD L. CLENDENEN
SHELL DEV. CO., PATENTS & LICENSING DIV.
P. O. BOX 2463
HOUSTON, TX 77001
Assignment: 11
Reel/Frame:004409/0498   Pages: 1
Recorded: 06/06/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
11/28/1983
Assignee
1
SHELL OIL COMPANY
A DE CORP
NOT PROVIDED
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4536354
NONE
06560094
Correspondence name and address
RONALD R. REPER
SHELL DEV. CO., PAT. & LIC. DIV.
P. O. BOX 2463
HOUSTON, TX 77001
Assignment: 12
Reel/Frame:004452/0085   Pages: 1
Recorded: 09/12/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
02/20/1984
Assignee
1
SHELL OIL COMPANY, A CORP. OF DE.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4562284
NONE
06583477
Correspondence name and address
RONALD R. REPER
SHELL DEVELOPMENT CO.
ONE SHELL PLAZA, P. O. BOX 2463
HOUSTON, TX 77001
Assignment: 13
Reel/Frame:004536/0882   Pages: 1
Recorded: 04/21/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
03/07/1984
Assignee
1
SHELL OIL COMPANY, A CORP. OF DE.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4602105
NONE
06593062
Correspondence name and address
RONALD R. REPER
SHELL DEV. CO.
ONE SHELL PLAZA
P. O. BOX 2463
HOUSTON, TX 77001
Assignment: 14
Reel/Frame:005036/0545   Pages: 1
Recorded: 03/20/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
03/22/1984
Assignee
1
SHELL OIL COMPANY, A DE CORP.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4835250
NONE
06908899
Correspondence name and address
KIM L. MULLER
SHELL DEVELOPMENT CO.
PATENTS & LICENSING DIV.
P. O. BOX 2463
HOUSTON, TX 77001
Assignment: 15
Reel/Frame:004514/0365   Pages: 1
Recorded: 02/27/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
10/08/1984
Assignee
1
SHELL OIL COMPANY, A CORP. OF DE.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4590311
NONE
06664128
Correspondence name and address
RONALD R. REPER
SHELL DEV. CO., ONE SHELL PLAZA
P. O. BOX 2463
HOUSTON, TX 77001
Assignment: 16
Reel/Frame:004604/0704   Pages: 1
Recorded: 09/15/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
09/10/1985
Assignee
1
SHELL OIL COMPANY, A CORP. OF DE.
STATELESS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4634793
NONE
06783712
Correspondence name and address
RONALD L. CLENDENEN
SHELL DEVELOPMENT COMPANY
PATENTS AND LICENSING
P. O. BOX 2463
HOUSTON, TX 77001
Assignment: 17
Reel/Frame:004536/0878   Pages: 1
Recorded: 04/21/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
09/20/1985
Assignee
1
SHELL OIL COMPANY, A CORP. OF DE.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4599476
NONE
06783706
Correspondence name and address
RONALD L. CLENDENEN
C/0 SHELL DEVELOPMENT CO.
PATENTS AND LICENSING
P. O. BOX 2463
HOUSTON, TX 77001
Assignment: 18
Reel/Frame:004968/0327   Pages: 1
Recorded: 11/09/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
09/24/1985
Assignee
1
SHELL OIL COMPANY
P. O. BOX 2463
A DE CORP.
HOUSTON, TEXAS 77001
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4818810
NONE
06782787
Correspondence name and address
DEAN F. VANCE
C/O SHELL DEVELOPMENT CO.,
PATENTS AND LICENSING
P. O. BOX 2463
HOUSTON, TX 77001
Assignment: 19
Reel/Frame:004836/0370   Pages: 1
Recorded: 01/15/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
11/14/1985
Assignee
1
SHELL OIL COMPANY, A DE. CORP.
DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4739109
NONE
06802804
Correspondence name and address
RONALD L. CLENDENEN
C/O SHELL DEVELOPMENT CO.
PATENTS & LICENSING
P. O. BOX 2463
HOUSTON, TX 77001
Assignment: 20
Reel/Frame:004836/0398   Pages: 1
Recorded: 01/15/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
11/26/1985
Assignee
1
SHELL OIL COMPANY, A DE. CORP.
DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4739110
NONE
06814347
Correspondence name and address
RONALD L. CLENDENEN
SHELL DEVELOPMENT CO,
PATENTS & LICENSING
P. O. BOX 2463
HOUSTON, TX 77001
Assignment: 21
Reel/Frame:004808/0469   Pages: 1
Recorded: 12/17/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
02/26/1986
Assignee
1
SHELL OIL COMPANY, A DE. CORP.
STATELESS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4731202
NONE
06836777
Correspondence name and address
RICHARD F. LEMUTH
C/O SHELL DEV. CO.
PATENTS & LICENSING
P.O. BOX 2463
HOUSTON, TX 77001
Assignment: 22
Reel/Frame:004624/0329   Pages: 1
Recorded: 10/29/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
03/28/1986
Assignee
1
SHELL OIL COMPANY
A CORP OF DE
NOT PROVIDED
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4642371
NONE
06862928
Correspondence name and address
RONALD L. CLENDENEN
SHELL DEVELOPMENT CO.,
PATENTS AND LICENSING
P. O. BOX 2463
HOUSTON, TX 77001
Assignment: 23
Reel/Frame:004726/0010   Pages: 1
Recorded: 06/22/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
03/28/1986
Assignee
1
SHELL OIL COMPANY, A DE. CORP.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4692548
NONE
06862927
Correspondence name and address
RONALD L. CLENDENEN
SHELL DEVELOPMENT COMPANY
PATENTS & LICENSING
P. O. BOX 2463
HOUSTON, TX 77001
Assignment: 24
Reel/Frame:004783/0791   Pages: 1
Recorded: 11/19/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
05/29/1986
Assignee
1
SHELL OIL COMPANY, A CORP. OF DE.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4730080
NONE
06879669
Correspondence name and address
RONALD L. CLENDENEN
C/O SHELL DEVELOPMENT CTR.
PATENTS AND LICENSING
P.O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 25
Reel/Frame:004678/0196   Pages: 1
Recorded: 03/16/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
07/14/1986
Assignee
1
SHELL OIL COMPANY, A CORP OF
DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4670582
NONE
06896681
Correspondence name and address
RONALD L. CLENDENEN
SHELL DEVELOPMENT COMPANY
PATENTS AND LICENSING
P.O. BOX 2463
HOUSTON, TX 77001
Assignment: 26
Reel/Frame:004791/0543   Pages: 1
Recorded: 11/19/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
07/14/1986
Assignee
1
SHELL OIL COMPANY, A CORP.
DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4727195
NONE
06899182
Correspondence name and address
RONALD L. CLENDENEN
SHELL DEVELOPMENT COMPANY
PATENTS AND LICENSING
P.O. BOX 2463
HOUSTON, TX 77001
Assignment: 27
Reel/Frame:005029/0544   Pages: 1
Recorded: 03/06/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
08/06/1986
Assignee
1
SHELL OIL COMPANY, A DE. CORP.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4831187
NONE
07092004
Correspondence name and address
PAMELA J. MC COLLOUGH
C/O SHELL OIL CO., PATS. & LIC.
P. O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 28
Reel/Frame:004808/0497   Pages: 1
Recorded: 12/17/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
10/07/1986
Assignee
1
SHELL OIL COMPANY, A DE. CORP.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4731487
NONE
06918243
Correspondence name and address
RICHARD F. LEMUTH
C/O SHELL DEVELOPMENT CO.
PATENTS AND LICENSING
P.O. BOX 2463
HOUSTON, TX 77001
Assignment: 29
Reel/Frame:005073/0185   Pages: 1
Recorded: 04/25/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
10/07/1986
Assignee
1
SHELL OIL COMPANY, A DELAWARE CORP.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4849542
NONE
06923998
Correspondence name and address
PAMELA J. MC COLLOUGH
C/O SHELL DEVELOPMENT CO.
P. O. BOX 2463
HOUSTON, TX 77001
Assignment: 30
Reel/Frame:005134/0676   Pages: 1
Recorded: 07/21/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
VAN BROEKHOVEN, JOHANNES A. M.
Exec Dt:
10/21/1986
2
DRENT, EIT
Exec Dt:
10/21/1986
3
KLEI, EBEL
Exec Dt:
12/17/1986
4
NOZAKI, KENZIE
Exec Dt:
12/17/1986
Assignee
1
SHELL OIL COMPANY, A DE CORP.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4868282
NONE
07190607
Correspondence name and address
DEAN F. VANCE
C/O SHELL DEV. CO.
PATENTS & LICENSING
P.O. BOX 2463
HOUSTON, TX 77001
Assignment: 31
Reel/Frame:004808/0496   Pages: 1
Recorded: 12/17/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DRENT, EIT
Exec Dt:
12/11/1986
2
BREED, ANTONIUS J. M.
Exec Dt:
12/11/1986
Assignee
1
SHELL OIL COMPANY, A DE. CORP.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4731467
NONE
07002489
Correspondence name and address
PAMELA J. MC COLLOUGH
C/O SHELL DEVELOPMENT COMPANY
PATENTS AND LICENSING
P. O. BOX 2463
HOUSTON, TX 77001
Assignment: 32
Reel/Frame:004836/0371   Pages: 1
Recorded: 01/15/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
12/11/1986
Assignee
1
SHELL OIL COMPANY, A DE. CORP.
DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4739107
NONE
07002488
Correspondence name and address
PAMELA J. MC COLLOUGH
C/O SHELL DEVELOPMENT COMPANY
PATENTS AND LICENSING
P. O. BOX 2463
HOUSTON, TX 77001
Assignment: 33
Reel/Frame:004944/0959   Pages: 1
Recorded: 08/26/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
01/06/1987
Assignee
1
SHELL OIL COMPANY, A DE. CORP.
HOUSTON, TEXAS 77252
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4786714
NONE
06935431
Correspondence name and address
MARK K. DICKSON
SHELL DEVELOPMENT COMPANY
PATENTS AND LICENSING
P. O. BOX 2463
HOUSTON, TX 77001
Assignment: 34
Reel/Frame:004941/0980   Pages: 1
Recorded: 09/14/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
01/07/1987
Assignee
1
SHELL OIL COMPANY, A DE CORP.
HOUSTON, TEXAS 77252
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4788279
NONE
06940876
Correspondence name and address
M. P. HADDICAN
C/O SHELL DEVELOPMENT CO.
PATENTS & LICENSING
P. O. BOX 2463
HOUSTON, TX 77001
Assignment: 35
Reel/Frame:004723/0446   Pages: 1
Recorded: 06/10/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
02/28/1987
Assignee
1
SHELL OIL COMPANY, A CORP. OF DE.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4691047
NONE
06844429
Correspondence name and address
RONALD L. CLENDENEN
C/O SHELL DEVELOPMENT CO.,
PATENTS AND LICENSING
P. O. BOX 2463
HOUSTON, TX 77001
Assignment: 36
Reel/Frame:005013/0423   Pages: 1
Recorded: 02/03/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
VAN BROEKHOVEN, JOHANNES A. M.
Exec Dt:
04/13/1987
2
DRENT, EIT
Exec Dt:
04/13/1987
Assignee
1
SHELL OIL COMPANY, A DE CORP.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4824934
NONE
07021948
Correspondence name and address
M.K. DICKSON
SHELL DEVELOPMENT CO.
PATENTS AND LICENSING
P.O. BOX 2463
HOUSTON TX 77001
Assignment: 37
Reel/Frame:005013/0424   Pages: 1
Recorded: 02/03/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
VAN BROEKHOVEN, JOHANNES A. M.
Exec Dt:
04/13/1987
2
DRENT, EIT
Exec Dt:
04/13/1987
Assignee
1
SHELL OIL COMPANY, A DE CORP.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4831113
NONE
07021946
Correspondence name and address
M. K. DICKSON
C/O SHELL DEVELOPMENT CO.
PATENTS & LICENSING
P.O. BOX 2463
HOUSTON, TX 77001
Assignment: 38
Reel/Frame:005013/0449   Pages: 1
Recorded: 02/03/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
VAN BROEKHOVEN, JOHANNES A. M.
Exec Dt:
04/13/1987
2
DRENT, EIT
Exec Dt:
04/13/1987
Assignee
1
SHELL OIL COMPANY, A DE CORP.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4824935
NONE
07021947
Correspondence name and address
M. K. DICKSON
C/O SHELL DEVELOPMENT CO.
PATENTS & LICENSING
P.O. BOX 2463
HOUSTON, TX 77001
Assignment: 39
Reel/Frame:004915/0008   Pages: 1
Recorded: 07/18/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
05/08/1987
Assignee
1
SHELL OIL COMPANY, A DE. CORP.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4777261
NONE
07059083
Correspondence name and address
NANCY JOYCE GRACEY
C/O SHELL OIL COMPANY
PATENTS AND LICENSING
P.O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 40
Reel/Frame:004836/0347   Pages: 1
Recorded: 01/15/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
05/26/1987
Assignee
1
SHELL OIL COMPANY, A DE. CORP.
DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4740625
NONE
07049756
Correspondence name and address
MARK K. DICKSON
C/O SHELL DEVELOPMENT CO.
PATENTS AND LICENSING
P.O. BOX 2463
HOUSTON, TX 77001
Assignment: 41
Reel/Frame:005073/0253   Pages: 1
Recorded: 05/03/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
05/26/1987
Assignee
1
SHELL OIL COMPANY, A DELAWARE CORP.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4851582
NONE
07049755
Correspondence name and address
MARK K. DICKSON
C/O SHELL DEVELOPMENT COMPANY
PATENTS AND LICENSING
P.O. BOX 2463
HOUSTON, TX 77001
Assignment: 42
Reel/Frame:004976/0946   Pages: 1
Recorded: 11/04/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
06/09/1987
Assignee
1
SHELL OIL COMPANY, A CORP. OF DE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4810774
NONE
07061615
Correspondence name and address
MARK K. DICKSON
C/O SHELL DEV. CO.
PATS. & LICENSING
P. O. BOX 2463
HOUSTON, TX 77001
Assignment: 43
Reel/Frame:005030/0030   Pages: 1
Recorded: 03/10/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
06/29/1987
Assignee
1
SHELL OIL COMPANY, A CORP. OF DE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4831114
NONE
07074668
Correspondence name and address
MARK K. DICKSON
C/O SHELL DEVELOPMENT COMPANY
PATENTS & LICENSING
P.O. BOX 2463
HOUSTON, TX 77001
Assignment: 44
Reel/Frame:004990/0728   Pages: 1
Recorded: 11/08/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
07/23/1987
Assignee
1
SHELL OIL COMPANY, A DE CORP.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4818811
NONE
07089374
Correspondence name and address
M.K. DICKSON
C/O SHELL OIL COMPANY
PATENTS AND LICENSING
P.O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 45
Reel/Frame:005010/0810   Pages: 1
Recorded: 03/09/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DRENT, EIT
Exec Dt:
07/24/1987
2
VAN LEEUWEN, PETRUS W.N.M.
Exec Dt:
07/24/1987
3
WIFE, RICHARD L.
Exec Dt:
07/24/1987
Assignee
1
SHELL OIL COMPANY, A DE. CORP.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4843145
NONE
07089373
Correspondence name and address
KEITH M. TACKETT
C/O SHELL OIL COMPANY
PATENTS AND LICENSING
P.O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 46
Reel/Frame:005060/0394   Pages: 1
Recorded: 02/27/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DRENT, EIT
Exec Dt:
07/28/1987
2
WIFE, RICHARD L.
Exec Dt:
07/28/1987
3
VAN LEEUWEN, PETRUS W. N. M.
Exec Dt:
07/28/1987
Assignee
1
SHELL OIL COMPANY, A DE CORP.
STATELESS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4859764
NONE
07088169
Correspondence name and address
MARK K. DICKSON
C/O SHELL OIL COMPANY
PATENTS & LICENSING
P.O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 47
Reel/Frame:004977/0732   Pages: 1
Recorded: 11/18/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DRENT, EIT
Exec Dt:
08/25/1987
2
WIFE, RICHARD L.
Exec Dt:
08/25/1987
Assignee
1
SHELL OIL COMPANY, A DE CORP.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4806630
NONE
07099263
Correspondence name and address
MARK K. DICKSON
C/O SHELL OIL CO.
PATENTS AND LICENSING
P. O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 48
Reel/Frame:005043/0517   Pages: 1
Recorded: 04/07/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
08/26/1987
Assignee
1
SHELL OIL COMPANY, A DE CORP.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4841020
NONE
07098652
Correspondence name and address
MARK K. DICKSON
C/O SHELL OIL COMPANY
PATENTS AND LICENSING
P. O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 49
Reel/Frame:005044/0316   Pages: 1
Recorded: 04/13/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
09/15/1987
Assignee
1
SHELL OIL COMPANY, A DE CORP.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4804738
NONE
07106822
Correspondence name and address
MARK K. DICKSON
C/O SHELL OIL COMPANY
PATENTS AND LICENSING
P.O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 50
Reel/Frame:004957/0874   Pages: 1
Recorded: 10/03/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
VAN DOORN, JOHANNES A.
Exec Dt:
10/27/1987
2
SNEL, JOHANNES J. M.
Exec Dt:
10/27/1987
3
DRENT, EIT
Exec Dt:
10/27/1987
Assignee
1
SHELL OIL COMPANY, A CORP. OF DE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4794165
NONE
07135426
Correspondence name and address
MARK K. DICKSON
SHELL OIL CO.
PATENTS AND LICENSING
P. O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 51
Reel/Frame:005258/0849   Pages: 1
Recorded: 03/29/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
11/04/1987
Assignee
1
SHELL OIL COMPANY, A DE CORP.
STATELESS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4940787
NONE
07125263
Correspondence name and address
Y. GRACE TSANG
C/O SHELL OIL COMPANY
PATENTS AND LICENSING
P.O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 52
Reel/Frame:005377/0567   Pages: 2
Recorded: 07/13/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
11/04/1987
Assignee
1
SHELL OIL COMPANY, A DE CORP.
DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4960926
NONE
07386035
Correspondence name and address
C/O SHELL OIL COMPANY
PATENTS & LICENSING
P.O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 53
Reel/Frame:004947/0574   Pages: 1
Recorded: 09/21/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
11/12/1987
Assignee
1
SHELL OIL COMPANY, A DE. CORP.
HOUSTON, TEXAS 77252
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4789756
NONE
07141181
Correspondence name and address
PAMELA J. MC COLLOUGH
C/O SHELL OIL COMPANY
PATENTS AND LICENSING
P.O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 54
Reel/Frame:005013/0447   Pages: 1
Recorded: 02/03/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
11/12/1987
Assignee
1
SHELL OIL COMPANY, A DE CORP.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4824817
NONE
07124128
Correspondence name and address
Y. GRACE TSANG
C/O SHELL OIL COMPANY
PATENTS AND LICENSING
P.O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 55
Reel/Frame:005674/0555   Pages: 2
Recorded: 04/18/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
11/24/1987
Assignee
1
SHELL OIL COMPANY, A CORP OF DE
STATELESS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5028734
NONE
07303596
Correspondence name and address
SHELL OIL COMPANY
PATENTS & LICENSING
P.O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 56
Reel/Frame:005008/0950   Pages: 1
Recorded: 01/17/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DRENT, EIT
Exec Dt:
11/26/1987
2
WIFE, RICHARD L.
Exec Dt:
11/26/1987
3
VAN LEEUWEN, PETRUS W. N. M.
Exec Dt:
11/26/1987
Assignee
1
SHELL OIL COMPANY, A DE CORP.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4820802
NONE
07135427
Correspondence name and address
MARK K. DICKSON
SHELL OIL CO.
PATENTS AND LICENSING
P. O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 57
Reel/Frame:005108/0750   Pages: 1
Recorded: 06/12/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
VAN LEEUWEN, MARIA
Exec Dt:
12/02/1987
2
VAN DOORN, JOHANNES A.
Exec Dt:
12/02/1987
3
DRENT, EIT
Exec Dt:
12/02/1987
4
MEIJBOOM, NICOLAAS
Exec Dt:
12/02/1987
5
VAN OORT, AART B.
Exec Dt:
12/02/1987
6
WIFE, RICHARD L.
Exec Dt:
12/02/1987
Assignee
1
SHELL OIL COMPANY A CORP. OF DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4855399
NONE
07140013
Correspondence name and address
DEAN F. VANCE
SHELL OIL CO.., PATS. & LIC.
P. O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 58
Reel/Frame:004977/0933   Pages: 1
Recorded: 11/21/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
02/01/1988
Assignee
1
SHELL OIL COMPANY, A DE. CORP.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4806647
NONE
07156674
Correspondence name and address
PAMELA J. MC COLLOUGH
C/O SHELL OIL COMPANY
PATENTS & LICENSING
P. O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 59
Reel/Frame:004932/0595   Pages: 1
Recorded: 08/26/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DRENT, EIT
Exec Dt:
02/22/1988
2
VAN LANGEN, SIMON A.J.
Exec Dt:
02/22/1988
3
PETRUS, LEONARDUS
Exec Dt:
02/22/1988
Assignee
1
SHELL OIL COMPANY, A DE. CORP.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4786443
NONE
07165052
Correspondence name and address
PAMELA J. MC COLLOUGH
SHELL OIL COMPANY
PATENTS AND LICENSING
POST OFFICE BOX 2463
HOUSTON, TX 77252-2463
Assignment: 60
Reel/Frame:005424/0593   Pages: 2
Recorded: 09/04/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SIE, SWAN TIONG
Exec Dt:
02/24/1988
2
DRENT, EIT
Exec Dt:
02/24/1988
3
JAGER, WILLEM W.
Exec Dt:
02/24/1988
Assignee
1
SHELL OIL COMPANY, A CORP. OF DE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4970185
NONE
07352225
Correspondence name and address
Y. GRACE TSANG
SHELL OIL COMPANY
PATENTS & LICENSING
P. O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 61
Reel/Frame:005128/0248   Pages: 1
Recorded: 06/26/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DRENT, EIT
Exec Dt:
03/08/1988
2
VAN GOGH, JOHAN
Exec Dt:
03/08/1988
Assignee
1
SHELL OIL COMPANY, A DE. CORP.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4861912
NONE
07169698
Correspondence name and address
PAMELA J. MC COLLOUGH
C/O SHELL OIL COMPANY
PATENTS AND LICENSING
P.O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 62
Reel/Frame:005196/0443   Pages: 1
Recorded: 12/11/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
05/04/1988
Assignee
1
SHELL OIL COMPANY, A DE CORP.
DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4902822
NONE
07192551
Correspondence name and address
RICHARD F. LEMUTH
C/O SHELL OIL COMPANY
PATENTS AND LICENSING
P. O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 63
Reel/Frame:005132/0139   Pages: 1
Recorded: 07/20/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SIE, SWAN T.
Exec Dt:
05/25/1988
2
DRENT, EIT
Exec Dt:
05/25/1988
3
JAGER, WILLEM W.
Exec Dt:
05/25/1988
Assignee
1
SHELL OIL COMPANY, A CORP. OF DE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4868221
NONE
07175027
Correspondence name and address
Y. GRACE TSANG
C/O SHELL OIL CO.
PATENTS & LICENSING
P.O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 64
Reel/Frame:005214/0807   Pages: 1
Recorded: 01/19/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DRENT, EIT
Exec Dt:
06/16/1988
2
JAGER, WILLEM W.
Exec Dt:
06/16/1988
3
SIE, SWAN T.
Exec Dt:
06/16/1988
Assignee
1
SHELL OIL COMPANY, A CORP. OF DE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4914136
NONE
07213818
Correspondence name and address
RONALD R. REPER
SHELL OIL COMPANY
PATENTS AND LICENSING
POST OFFICE BOX 2463
HOUSTON, TX 77252-2463
Assignment: 65
Reel/Frame:004988/0911   Pages: 1
Recorded: 12/12/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
06/23/1988
Assignee
1
SHELL OIL COMPANY, A DE. CORP.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4808697
NONE
07164161
Correspondence name and address
MARK K. DICKSON
C/O SHELL OIL CO.
PATENTS & LICENSING
P.O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 66
Reel/Frame:005137/0018   Pages: 1
Recorded: 07/31/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
07/04/1988
Assignee
1
SHELL OIL COMPANY, A CORP. OF DE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4879417
NONE
07223815
Correspondence name and address
SHELL OIL COMPANY
LEGAL ORGAN.-PATS., & LIC.
900 LOUISIANA, P.O. BOX 2463
HOUST
ON, TX 77252-2463
Assignment: 67
Reel/Frame:005323/0023   Pages: 2
Recorded: 05/11/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
07/21/1988
Assignee
1
SHELL OIL COMPANY, A CORP. OF DE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4945179
NONE
07232059
Correspondence name and address
PAMELA J. MC COLLOUGH
SHELL OIL COMPANY
PATENTS & LICENSING
P.O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 68
Reel/Frame:005161/0441   Pages: 1
Recorded: 10/10/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SIE, SWAN T.
Exec Dt:
07/27/1988
2
DRENT, EIT
Exec Dt:
07/27/1988
3
JAGER, WILLEM W.
Exec Dt:
07/27/1988
Assignee
1
SHELL OIL COMPANY, A CORP. OF DE.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4888361
NONE
07231924
Correspondence name and address
RONALD L. CLENDENEN
SHELL OIL CO.
PATENTS & LICENSING
P. O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 69
Reel/Frame:005132/0166   Pages: 1
Recorded: 07/21/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
08/16/1988
Assignee
1
SHELL OIL COMPANY, A DE CORP.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4868345
NONE
07238384
Correspondence name and address
RONALD L. CLENDENEN
SHELL OIL COMPANY
PATENTS AND LICENSING
P. O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 70
Reel/Frame:005149/0696   Pages: 1
Recorded: 10/02/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
08/18/1988
Assignee
1
SHELL OIL COMPANY, A CORP. OF DE.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4889913
NONE
07247834
Correspondence name and address
KEITH M. TACKETT
C/O SHELL OIL COMPANY
PATENTS AND LICENSING P.O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 71
Reel/Frame:004993/0915   Pages: 1
Recorded: 12/23/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SIE, SWAN T.
Exec Dt:
11/25/1988
2
DRENT, EIT
Exec Dt:
11/25/1988
3
JAGER, WILLEM W.
Exec Dt:
11/25/1988
Assignee
1
SHELL OIL COMPANY, A DE CORP.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4812433
NONE
07175026
Correspondence name and address
Y. GRACE TSANG
C/O SHELL OIL COMPANY
PATENTS & LICENSING
P.O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 72
Reel/Frame:005197/0830   Pages: 1
Recorded: 12/18/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
01/12/1989
Assignee
1
SHELL OIL COMPANY, A CORP. OF DE
DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4904759
NONE
07266189
Correspondence name and address
DEAN F. VANCE
C/O SHELL OIL CO
PATENTS & LICENSING
P.O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 73
Reel/Frame:005243/0609   Pages: 1
Recorded: 02/16/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
01/12/1989
Assignee
1
SHELL OIL COMPANY, A CORP. OF DE
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
4921938
NONE
07271130
 
4940077
NONE
07273606
 
4934443
NONE
07336028
 
4896715
NONE
07344288
 
4979557
NONE
07383644
Correspondence name and address
KEITH M. TACKETT
C/O SHELL OIL CO.
PATENTS & LICENSING
P.O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 74
Reel/Frame:005244/0625   Pages: 1
Recorded: 02/16/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
01/12/1989
Assignee
1
SHELL OIL COMPANY, A CORP. OF DE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4921937
NONE
07267142
Correspondence name and address
DEAN F. VANCE
SHELL OIL COMPANY
P.O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 75
Reel/Frame:005243/0430   Pages: 1
Recorded: 03/07/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DRENT, EIT
Exec Dt:
01/27/1989
2
BROEKHUIS, ANTONIUS A.
Exec Dt:
01/27/1989
Assignee
1
SHELL OIL COMPANY, A CORP. OF DE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4927892
NONE
07255232
Correspondence name and address
PETER A. BIELINSKI
SHELL OIL COMPANY
ONE SHELL PLAZA
P. O. BOX 2463
HOUSTON, TX 77252
Assignment: 76
Reel/Frame:005427/0182   Pages: 2
Recorded: 08/30/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DRENT, EIT
Exec Dt:
01/31/1989
2
WIFE, RICHARD L.
Exec Dt:
01/31/1989
Assignee
1
SHELL OIL COMPANY, A DE CORP.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4970294
NONE
07282248
Correspondence name and address
DEAN F. VANCE
SHELL OIL COMPANY
PATENTS AND LICENSING
P.O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 77
Reel/Frame:005281/0084   Pages: 1
Recorded: 04/24/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DRENT, EIT
Exec Dt:
02/01/1989
2
JAGER, WILLEM W.
Exec Dt:
02/01/1989
Assignee
1
SHELL OIL COMPANY, A DE CORP.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4939307
NONE
07313918
Correspondence name and address
PAMELA J. MC COLLOUGH
SHELL OIL COMPANY
PATENTS & LICENSING
POST OFFICE BOX 2463
HOUSTON, TX 77252-2463
Assignment: 78
Reel/Frame:005133/0153   Pages: 1
Recorded: 08/23/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
03/01/1989
Assignee
1
SHELL OIL COMPANY A DE CORP.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4876401
NONE
07321247
Correspondence name and address
PAMELA J. MC COLLOUGH
SHELL OIL CO.,
PATENTS AND LICENSING
P. O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 79
Reel/Frame:005122/0908   Pages: 1
Recorded: 08/10/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SIE, SWAN T.
Exec Dt:
03/25/1988
2
DRENT, EIT
Exec Dt:
03/25/1989
3
JAGER, WILLEM W.
Exec Dt:
03/28/1989
Assignee
1
SHELL OIL COMPANY
DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4873267
NONE
07185622
Correspondence name and address
Y. GRACE TSANG
C/O SHELL OIL COMPANY
PATENTS AND LICENSING
P. O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 80
Reel/Frame:005390/0908   Pages: 2
Recorded: 07/23/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
03/28/1989
Assignee
1
SHELL OIL COMPANY, A CORP. OF DE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4960906
NONE
07342831
Correspondence name and address
PAMELA J. MC COLLOUGH
C/O SHELL OIL COMPANY
PATENTS & LICENSING
P.O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 81
Reel/Frame:005293/0420   Pages: 2
Recorded: 04/30/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
03/29/1989
Assignee
1
SHELL OIL COMPANY, A CORP. OF DE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4940777
NONE
07339783
Correspondence name and address
DOUGLAS BALDWIN
C/O SHELL OIL COMPANY
PATENTS AND LICENSING
P.O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 82
Reel/Frame:005293/0424   Pages: 2
Recorded: 04/30/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
04/24/1989
Assignee
1
SHELL OIL COMPANY, A CORP. OF DE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4940775
NONE
07352234
Correspondence name and address
D. F. VANCE
SHELL OIL COMPANY
PATENTS AND LICENSING
P. O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 83
Reel/Frame:005392/0501   Pages: 2
Recorded: 08/02/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
VAN DOORN, JOHANNES A.
Exec Dt:
04/25/1989
2
DRENT, EIT
Exec Dt:
04/25/1989
Assignee
1
SHELL OIL COMPANY, A DE CORP.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4965341
NONE
07352235
Correspondence name and address
D. F. VANCE
SHELL OIL CO., PATENTS AND LICENSING
P. O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 84
Reel/Frame:005913/0037   Pages: 2
Recorded: 11/15/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BROEKHUIS, ANTONIUS A.
Exec Dt:
06/09/1989
2
DRENT, EIT
Exec Dt:
06/09/1989
Assignee
1
SHELL OIL COMPANY A CORP. OF DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5096965
NONE
07369872
Correspondence name and address
D. F. VANCE
C/O SHELL OIL COMPANY
PATENTS AND LICENSING
P. O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 85
Reel/Frame:005834/0404   Pages: 2
Recorded: 09/16/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
06/28/1989
Assignee
1
SHELL OIL COMPANY, A CORPORATION OF DE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5071926
NONE
07383515
Correspondence name and address
DOUGLAS BALDWIN
SHELL OIL CO., PATENTS & LICENSING
P. O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 86
Reel/Frame:005511/0949   Pages: 2
Recorded: 11/13/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
VAN DIJK, ARJAN
Exec Dt:
08/07/1989
2
DRENT, EIT
Exec Dt:
08/31/1989
3
KORTBEEK, ANDRAS G. T. G.
Exec Dt:
10/20/1989
Assignee
1
SHELL OIL COMPANY
A CORP. OF DELAWARE
DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4992479
NONE
07426643
Correspondence name and address
RONALD L. CLENDENEN
C/O SHELL OIL COMPANY
PATENTS & LICENSING
P. O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 87
Reel/Frame:005682/0183   Pages: 2
Recorded: 04/22/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
VAN DOORN, JOHANNES A.
Exec Dt:
10/26/1989
2
DRENT, EIT
Exec Dt:
10/26/1989
3
GERARDS, LEONARD E. H.
Exec Dt:
10/26/1989
Assignee
1
SHELL OIL COMPANY, A CORP. OF DE
STATELESS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5030712
NONE
07432826
Correspondence name and address
DEAN F. VANCE
C/O SHELL OIL CO.
PATENTS AND LICENSING
P. O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 88
Reel/Frame:005132/0140   Pages: 1
Recorded: 07/20/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
11/02/1989
Assignee
1
SHELL OIL COMPANY, A CORP. OF DE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4868328
NONE
07123517
Correspondence name and address
PAMELA J. MC COLLOUGH
C/O SHELL OIL COMPANY
PATENTS AND LICENSING
POST OFFICE BOX 2463
HOUSTON, TX 77252-2463
Assignment: 89
Reel/Frame:005657/0743   Pages: 2
Recorded: 04/08/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DRENT, EIT
Exec Dt:
12/04/1989
2
BREED, ANTHONIUS J. M.
Exec Dt:
12/04/1989
Assignee
1
SHELL OIL COMPANY, A CORP. OF DELAWARE
HOUSTON, TEXAS 77252-2463
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5025092
NONE
07451920
Correspondence name and address
SHELL OIL COMPANY
PATENTS & LICENSING
P.O. BOX 2463
HOUSTON, TEXAS 77252-2463
Assignment: 90
Reel/Frame:005725/0730   Pages: 2
Recorded: 06/10/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DRENT, EIT
Exec Dt:
12/04/1989
2
BREED, ANTHONIUS J. M.
Exec Dt:
12/04/1989
Assignee
1
SHELL OIL COMPANY
A CORPORATION OF DE
TEXAS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5049650
NONE
07451918
Correspondence name and address
DENISE Y. WOLFS,
C/O SHELL OIL CO.
PATENTS & LICENSING
P.O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 91
Reel/Frame:005805/0532   Pages: 2
Recorded: 08/19/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
01/18/1990
Assignee
1
SHELL OIL COMPANY A CORP. OF DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5061785
NONE
07474953
Correspondence name and address
DEAN F. VANCE
C/O SHELL OIL COMPANY, PATENTS & LIC.
P. O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 92
Reel/Frame:005711/0093   Pages: 2
Recorded: 05/20/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
VAN DEURSEN, JOSEPHUS H.
Exec Dt:
01/10/1990
2
VAN DOORN, JOHANNES A.
Exec Dt:
01/10/1990
3
DRENT, EIT
Exec Dt:
01/25/1990
4
WONG, PUI K.
Exec Dt:
01/25/1990
Assignee
1
SHELL OIL COMPANY
A DELAWARE CORPORATION
TEXAS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5066778
NONE
07472146
Correspondence name and address
SHELL OIL COMPANY
PATENTS AND LICENSING
P.O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 93
Reel/Frame:006008/0467   Pages: 2
Recorded: 02/10/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
01/26/1990
Assignee
1
SHELL OIL COMPANY
A CORP. OF DE.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5106952
NONE
07520304
Correspondence name and address
DEAN F. VANCE
C/O SHELL OIL CO.,
PATENTS AND LICENSING
P. O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 94
Reel/Frame:005688/0640   Pages: 2
Recorded: 04/18/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DRENT, EIT
Exec Dt:
02/21/1990
2
BUDZELAAR, PETRUS H. M.
Exec Dt:
02/21/1990
Assignee
1
SHELL OIL COMPANY
A CORP. OF DE
TEXAS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5028576
NONE
07486993
Correspondence name and address
PAMELA J. MC COLLOUGH
C/O SHELL OIL COMPANY
PATENTS AND LICENSING
P. O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 95
Reel/Frame:005947/0462   Pages: 2
Recorded: 12/27/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DRENT, EIT
Exec Dt:
04/18/1990
2
BUDZELAAR, PETRUS H. M.
Exec Dt:
04/18/1990
3
JAGER, WILLEM W.
Exec Dt:
04/18/1990
Assignee
1
SHELL OIL COMPANY A CORPORATION OF DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5099062
NONE
07721800
Correspondence name and address
Y. GRACE TSANG
SHELL OIL COMPANY
LEGAL-PATENTS & LICENSING
P.O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 96
Reel/Frame:005581/0839   Pages: 2
Recorded: 02/01/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
WONG, PUI K.
Exec Dt:
05/02/1990
2
DRENT, EIT
Exec Dt:
04/19/1990
Assignee
1
SHELL OIL COMPANY, A DE CORP.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5019645
NONE
07520303
Correspondence name and address
DENISE Y. WOLFS
SHELL OIL COMPANY
P.O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 97
Reel/Frame:005797/0670   Pages: 2
Recorded: 08/12/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
WONG, PUI K.
Exec Dt:
05/07/1990
2
DRENT, EIT
Exec Dt:
05/07/1990
Assignee
1
SHELL OIL COMPANY, A CORP. OF DE
STATELESS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5070184
NONE
07522701
Correspondence name and address
DENISE Y. WOLFS
C/O SHELL OIL COMPANY
PATENTS AND LICENSING
P.O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 98
Reel/Frame:005774/0779   Pages: 2
Recorded: 07/24/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
05/15/1990
Assignee
1
SHELL OIL COMPANY
A CORPORATION OF DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5059676
NONE
07527923
Correspondence name and address
DENISE Y. WOLFS
SHELL OIL CO
PATENTS AND LICENSING
P.O. BOX 2463
HOUSTON, TX. 77252-2463
Assignment: 99
Reel/Frame:005390/0949   Pages: 2
Recorded: 07/23/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DRENT, EIT
Exec Dt:
07/03/1990
Assignee
1
SHELL OIL COMPANY, A CORP. OF DE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4960857
NONE
07379839
Correspondence name and address
DEAN F. VANCE
C/O SHELL OIL CO.
PATENTS AND LICENSING
P. O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 100
Reel/Frame:005906/0886   Pages: 2
Recorded: 11/14/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DRENT, EIT
Exec Dt:
08/28/1990
2
BREED, ANTHONIUS J. M.
Exec Dt:
08/28/1990
Assignee
1
SHELL OIL COMPANY
A CORP. OF DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5091506
NONE
07585750
Correspondence name and address
DENISE Y. WOLFS
SHELL OIL COMPANY
PATENTS AND LICENSING
P. O. BOX 2463
HOUSTON, TX 77252-2463
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