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Patent Assignment Assignor Details
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Assignor Name : MADGAVKAR, AJAY M.
Total Assignments: 14
Assignment: 1
Reel/Frame:003918/0943   Pages: 2
Recorded: 02/25/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
MADGAVKAR, AJAY M.
Exec Dt:
02/18/1981
2
VOGEL, ROGER F.
Exec Dt:
02/13/1981
3
SWIFT, HAROLD E.
Exec Dt:
02/13/1981
Assignee
1
GULF RESEARCH & DEVELOPMENT COMPANY
A CORP. OF DE.
PITTSBURGH, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4366668
NONE
06238032
Correspondence name and address
DEANE E. KEITH
P. O. BOX 1166
PITTSBURGH, PA 15230
Assignment: 2
Reel/Frame:003905/0724   Pages: 2
Recorded: 08/03/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
MADGAVKAR, AJAY M.
Exec Dt:
07/21/1981
2
SWIFT, HAROLD E.
Exec Dt:
07/28/1981
Assignee
1
GULF RESEARCH & DEVELOPMENT COMPANY
A CORP. OF DE
PITTSBURGH, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4394296
NONE
06289456
Correspondence name and address
DEANE E. KEITH
P. O. BOX 1166
GULF OIL CORP.
PITTSBURGH, PA 15230
Assignment: 3
Reel/Frame:003921/0778   Pages: 2
Recorded: 09/09/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
MADGAVKAR, AJAY M.
Exec Dt:
08/26/1981
2
SWIFT, HAROLD E.
Exec Dt:
09/01/1981
Assignee
1
GULF RESEARCH & DEVELOPMENT COMPANY
A CORP. OF DE
PITTSBURGH, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4382912
NONE
06300886
Correspondence name and address
DAVID S. ABRAMS
ROYLANCE, ABRAMS, BERDO & FARLEY
1225 CONNECTICUT AVE., N. W.
SUITE 315
WASHINGTON, DC 20036
Assignment: 4
Reel/Frame:003976/0933   Pages: 1
Recorded: 02/09/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
CHEN, PAUL Y.
Exec Dt:
02/03/1982
2
MADGAVKAR, AJAY M.
Exec Dt:
02/03/1982
Assignee
1
OCCIDENTAL PETROLEUM CORPORATION, A CORP. OF CA.
2100 S.E. MAIN ST.
IRVINE, CALIFORNIA 92714
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4426280
NONE
06347095
Correspondence name and address
CHRISTIE, PARKER & HALE
201 SOUTH LAKE AVE.
PASADENA, CA 91101
Assignment: 5
Reel/Frame:004021/0364   Pages: 2
Recorded: 07/08/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
VOGEL, ROGER F.
Exec Dt:
06/24/1982
2
MADGAVKAR, AJAY M.
Exec Dt:
06/29/1982
3
SWIFT, HAROLD E.
Exec Dt:
06/24/1982
Assignee
1
GULF RESEARCH & DEVELOPMENT COMPANY
A CORP.
PITTSBURGH, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4433197
NONE
06396256
Correspondence name and address
DEANE E. KEITH
P. O. BOX 1166
GULF OIL CORP.,
PITTSBURGH, PA 15230
Assignment: 6
Reel/Frame:004021/0366   Pages: 2
Recorded: 07/08/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
VOGEL, ROGER F.
Exec Dt:
06/24/1982
2
MADGAVKAR, AJAY M.
Exec Dt:
06/29/1982
3
SWIFT, HAROLD E.
Exec Dt:
06/24/1982
Assignee
1
GULF RESEARCH & DEVELOPMENT COMPANY
A CORP. OF DE
PITTSBURGH, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4384162
NONE
06396255
Correspondence name and address
DEANE E. KEITH
P. O. BOX 1166
GULF OIL CORP.,
PITTSBURGH, PA 15230
Assignment: 7
Reel/Frame:004565/0392   Pages: 1
Recorded: 06/23/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
MADGAVKAR, AJAY M.
Exec Dt:
09/23/1985
Assignee
1
SHELL OIL COMPANY
A DE. CORP.
NOT PROVIDED
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4671865
NONE
06781282
Correspondence name and address
KIM L. MULLER
C/O SHELL DEVELOPMENT CO.,
PATENTS AND LICENSING
P. O. BOX 2463
HOUSTON, TX 77001
Assignment: 8
Reel/Frame:004683/0263   Pages: 1
Recorded: 03/20/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
MADGAVKAR, AJAY M.
Exec Dt:
06/12/1986
2
WASHECHECK, DONALD M.
Exec Dt:
06/12/1986
Assignee
1
SHELL OIL COMPANY
HOUSTON, TEXAS 77001
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4671865
NONE
06781282
Correspondence name and address
KIM L. MULLER
C/O SHELL DEVELOPMENT CO.
PATENTS AND LICENSING
P. O. BOX 2463
HOUSTON, TX 77001
Assignment: 9
Reel/Frame:005128/0249   Pages: 1
Recorded: 06/26/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
MADGAVKAR, AJAY M.
Exec Dt:
12/08/1986
Assignee
1
SHELL OIL COMPANY, A DE. CORP.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4861723
NONE
06941666
Correspondence name and address
KIM L. MULLER
SHELL DEVELOPMENT COMPANY
PATENTS AND LICENSING
P.O. BOX 2463
HOUSTON, TX 77001
Assignment: 10
Reel/Frame:004956/0718   Pages: 1
Recorded: 09/19/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
MADGAVKAR, AJAY M.
Exec Dt:
05/13/1987
2
WASHECHECK, DON M.
Exec Dt:
05/26/1987
Assignee
1
SHELL OIL COMPANY, A DE. CORP.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4790930
NONE
07055479
Correspondence name and address
KIMBLEY L. MULLER
C/O SHELL OIL CO.
PATENTS & LICENSING
P.O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 11
Reel/Frame:005489/0912   Pages: 2
Recorded: 10/30/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
MADGAVKAR, AJAY M.
Exec Dt:
07/05/1988
Assignee
1
SHELL OIL COMPANY, A DE CORP.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4985139
NONE
07219509
Correspondence name and address
KIMBLEY L. MULLER
C/O SHELL OIL COMPANY
PATENTS AND LICENSING
P.O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 12
Reel/Frame:005913/0010   Pages: 2
Recorded: 11/15/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
MADGAVKAR, AJAY M.
Exec Dt:
11/05/1990
2
DAUM, DAVID W.
Exec Dt:
11/11/1990
3
GIBLER, CARMA J.
Exec Dt:
11/15/1990
Assignee
1
SHELL OIL COMPANY A CORP. OF DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5089541
NONE
07617225
Correspondence name and address
DEL S. CHRISTENSEN
C/O SHELL OIL COMPANY
PATENTS AND LICENSING
P.O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 13
Reel/Frame:005994/0261   Pages: 2
Recorded: 01/24/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
MADGAVKAR, AJAY M.
Exec Dt:
11/07/1990
2
GIBLER, CARMA J.
Exec Dt:
11/13/1990
3
DAUM, DAVID W.
Exec Dt:
11/15/1990
Assignee
1
SHELL OIL COMPANY A DE CORPORATION
STATELESS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5104972
NONE
07617224
Correspondence name and address
SHELL OIL COMPANY
ATTN: DONALD F. HAAS
PATENTS AND LICENSING
P.O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 14
Reel/Frame:012214/0395   Pages: 3
Recorded: 09/25/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WELLINGTON, SCOTT L.
Exec Dt:
09/07/2001
2
VINEGAR, HAROLD J.
Exec Dt:
09/07/2001
3
ZHANG, ETUAN
Exec Dt:
09/07/2001
4
MADGAVKAR, AJAY M.
Exec Dt:
09/07/2001
Assignee
1
SHELL OIL COMPANY
P.O. BOX 2463
HOUSTON, TEXAS 77252
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20020053431
09841310
Correspondence name and address
CONLEY, ROSE & TAYON PC
ERIC B. MEYERTONS
P.O. BOX 398
AUSTIN, TX 78767-0398

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