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Patent Assignment Assignor Details
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Assignor Name : DUBOIS, DONN A.
Total Assignments: 16
Assignment: 1
Reel/Frame:005165/0206   Pages: 1
Recorded: 10/16/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DUBOIS, DONN A.
Exec Dt:
06/06/1989
Assignee
1
SHELL OIL COMPANY, A DE CORP.
DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4889900
NONE
07364955
Correspondence name and address
DEL S. CHRISTENSEN
SHELL OIL COMPANY
PATENTS & LICENSING
P. O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 2
Reel/Frame:005775/0798   Pages: 2
Recorded: 07/25/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DUBOIS, DONN A.
Exec Dt:
08/01/1990
Assignee
1
SHELL OIL COMPANY A DE CORPORATION
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5055536
NONE
07564523
Correspondence name and address
JAMES O. OKORAFOR
SHELL OIL COMPANY
LEGAL-PATENTS AND LICENSING
P.O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 3
Reel/Frame:005814/0832   Pages: 2
Recorded: 08/30/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DUBOIS, DONN A.
Exec Dt:
09/24/1990
Assignee
1
SHELL OIL COMPANY
A CORP. OF DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5073610
NONE
07589364
Correspondence name and address
DEL S. CHRISTENSEN
C/O SHELL OIL COMPANY
PATENTS & LICENSING
P. O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 4
Reel/Frame:006308/0178   Pages: 2
Recorded: 11/20/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
GELLES, RICHARD
Exec Dt:
03/03/1992
2
DUBOIS, DONN A.
Exec Dt:
03/03/1992
Assignee
1
SHELL OIL COMPANY
P.O. BOX 2463, 900 LOUISIANA
HOUSTON, TEXAS 77252-2463
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5189083
NONE
07853564
Correspondence name and address
DONALD F. HAAS
SHELL OIL COMPANY
INTELLECTUAL PROPERTY, P.O. BOX 2463
900 LOUISIANA
HOUSTON, TX. 77252-2463
Assignment: 5
Reel/Frame:006441/0588   Pages: 2
Recorded: 03/11/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
DUBOIS, DONN A.
Exec Dt:
05/08/1992
Assignee
1
SHELL OIL COMPANY
P.O. BOX 2463
900 LOUISIANA
HOUSTON, TEXAS 77252-2463
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5218053
NONE
07880280
Correspondence name and address
KEITH M. TACKETT
SHELL OIL COMPANY
INTELLECTUAL PROPERTY
P.O. BOX 2463, 900 LOUISIANA
HOUSTON, TEXAS 77252-2463
Assignment: 6
Reel/Frame:006443/0356   Pages: 2
Recorded: 03/01/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
GELLES, RICHARD
Exec Dt:
07/21/1992
2
DUBOIS, DONN A.
Exec Dt:
07/21/1992
Assignee
1
SHELL OIL COMPANY
P.O. BOX 2463
900 LOUISIANA
HOUSTON, TEXAS 77252-2463
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5214082
NONE
07920693
Correspondence name and address
SHELL OIL COMPANY
DONALD F. HAAS
INTELLECTUAL PROPERTY
P.O. BOX 2463, 900 LOUISIANA
HOUSTON, TX 77252-2463
Assignment: 7
Reel/Frame:006713/0318   Pages: 2
Recorded: 09/29/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SUTHERLAND, ROBERT J.
Exec Dt:
12/17/1992
2
DUBOIS, DONN A.
Exec Dt:
12/17/1992
Assignee
1
SHELL OIL COMPANY
P.O. BOX 2463 900 LOUISIANA
HOUSTON, TEXAS 77252-2463
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5272211
NONE
07993739
Correspondence name and address
KEITH M. TACKETT
SHELL OIL COMPANY
INTELLECTUAL PROPERTY, P.O. BOX 2463
900 LOUISIANA
HOUSTON, TX 77252-2463
Assignment: 8
Reel/Frame:007262/0828   Pages: 3
Recorded: 12/16/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUBOIS, DONN A.
Exec Dt:
12/07/1993
2
SUTHERLAND, ROBERT J.
Exec Dt:
12/07/1993
Assignee
1
SHELL OIL COMPANY
910 LOUISIANA
P.O. BOX 2463
HOUSTON, TEXAS 77252-2463
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5397841
NONE
08163809
Correspondence name and address
KEITH M. TACKETT
SHELL OIL COMPANY
INTELLECTUAL PROPERTY - P.O. BOX 2463
910 LOUISIANA
HOUSTON, TEXAS 77252-2463
Assignment: 9
Reel/Frame:007522/0001   Pages: 2
Recorded: 07/13/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
STOREY, ROBSON F.
Exec Dt:
06/02/1994
2
DUBOIS, DONN A.
Exec Dt:
06/13/1994
3
HANDLIN, DALE L. JR.
Exec Dt:
06/17/1994
4
CHISHOLM, BRET J.
Exec Dt:
05/18/1994
Assignee
1
SHELL OIL COMPANY
P.O. BOX 2463
910 LOUISIANA
HOUSTON, TEXAS 77252
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5458796
NONE
08220810
Correspondence name and address
KEITH M. TACKETT
SHELL OIL COMPANY, INTELLECTUAL PROPERTY
P.O. BOX 2463
910 LOUISIANA
HOUSTON, TX 77252-2463
Assignment: 10
Reel/Frame:007804/0838   Pages: 3
Recorded: 01/18/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUBOIS, DONN A.
Exec Dt:
01/30/1995
2
HOXMEIER, RONALD J.
Exec Dt:
03/27/1995
3
SPENCE, BRIDGET A.
Exec Dt:
03/27/1995
4
JOB, ROBERT C.
Exec Dt:
03/27/1995
Assignee
1
SHELL OIL COMPANY
P.O. BOX 2463, 910 LOUISIANA
HOUSTON, TEXAS 77252
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5543458
NONE
08381242
Correspondence name and address
SHELL OIL COMPANY
DONALD F. HAAS
P. O. BOX 2463
910 LOUISIANA
HOUSTON, TEXAS 77252-2463
Assignment: 11
Reel/Frame:007831/0825   Pages: 4
Recorded: 02/20/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUBOIS, DONN A.
Exec Dt:
03/27/1995
2
HOXMEIER, RONALD J.
Exec Dt:
01/30/1995
3
JOB, ROBERT C.
Exec Dt:
01/30/1995
4
SPENCE, BRIDGET A.
Exec Dt:
01/30/1995
Assignee
1
SHELL OIL COMPANY
P.O. BOX 2463, 910 LOUISIANA
HOUSTON, TEXAS 77252
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5550194
NONE
08381453
Correspondence name and address
SHELL OIL COMPANY
LEONARD P. MILLER
INTELLECTUAL PROPERTY
P.O. BOX 2463, 910 LOUISIANA
HOUSTON, TX 77252-2463
Assignment: 12
Reel/Frame:008281/0123   Pages: 2
Recorded: 12/24/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HOXMEIER, RONALD J.
Exec Dt:
04/12/1996
2
DUBOIS, DONN A.
Exec Dt:
04/12/1996
3
SOUTHWICK, JEFFREY G.
Exec Dt:
04/12/1996
Assignee
1
SHELL OIL COMPANY
900 LOUISIANA
P.O. BOX 2463
HOUSTON, TEXAS 77252
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5618903
NONE
08634078
Correspondence name and address
SHELL OIL COMPANY
DONALD F. HAAS
INTELLECTUAL PROPERTY, P.O. BOX 2463
900 LOUISIANA
HOUSTON, TX 77252-2463
Assignment: 13
Reel/Frame:018400/0129   Pages: 3
Recorded: 10/02/2006
Attorney Dkt #:W0031/US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ST. CLAIR, DAVID J.
Exec Dt:
04/27/2004
2
HANSEN, DAVID R.
Exec Dt:
04/27/2004
3
DUBOIS, DONN A.
Exec Dt:
04/27/2004
Assignee
1
KRATON POLYMERS U.S. LLC
3333 HIGHWAY 6 SOUTH
HOUSTON, TEXAS 77082
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7241540
US20050239930
10832733
Correspondence name and address
MICHAEL A. MASSE
KRATON POLYMERS U.S. L.L.C.
3333 HIGHWAY 6 SOUTH
RM. CA-110
HOUSTON, TX 77082
Assignment: 14
Reel/Frame:057248/0215   Pages: 2
Recorded: 08/22/2021
Attorney Dkt #:W0013-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
DUBOIS, DONN A.
Exec Dt:
12/12/2004
Assignee
1
KRATON POLYMERS U.S. LLC
16400 PARK ROW
HOUSTON, TEXAS 77084
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7589152
US20050137312
11010906
Correspondence name and address
KRATON POLYMERS LLC
16400 PARK ROW
HOUSTON, TX 77084
Assignment: 15
Reel/Frame:020835/0928   Pages: 2
Recorded: 04/22/2008
Attorney Dkt #:W0051CIP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
DUBOIS, DONN A.
Exec Dt:
03/08/2006
Assignee
1
KRATON POLYMERS US LLC
3333 HIGHWAY 6 SOUTH
HOUSTON, TEXAS 77082
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7560512
US20060205878
11371426
Correspondence name and address
MICHAEL A. MASSE
INTELLECTUAL PROPERTY
3333 HIGHWAY 6 SOUTH
HOUSTON, TX 77082
Assignment: 16
Reel/Frame:022432/0194   Pages: 2
Recorded: 03/23/2009
Attorney Dkt #:W0061/US/2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUBOIS, DONN A.
Exec Dt:
03/08/2006
2
GUMULKA, GEORGE
Exec Dt:
03/03/2006
Assignee
1
KRATON POLYMERS U.S. LLC
16400 PARK ROW
KRATON POLYMERS U.S. LLC
HOUSTON, TEXAS 77084
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7872065
US20070244252
11372157
Correspondence name and address
MICHAEL A. MASSE
16400 PARK ROW
KRATON POLYMERS U.S. LLC
HOUSTON, TX 77084

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