skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
Patent Assignment Assignor Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignor Name : KEIJSPER, JOHANNES J.
Total Assignments: 13
Assignment: 1
Reel/Frame:005581/0841   Pages: 2
Recorded: 02/01/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KEIJSPER, JOHANNES J.
Exec Dt:
08/17/1989
2
MACKAY, MUNRO
Exec Dt:
08/17/1989
3
POST, MARTIN F. M..
Exec Dt:
08/17/1989
Assignee
1
SHELL OIL COMPANY, A DE CORP.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5008094
NONE
07399189
Correspondence name and address
RONALD L. CLENDENEN
SHELL OIL CO.
PATENTS & LICENSING
P. O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 2
Reel/Frame:006255/0038   Pages: 2
Recorded: 09/04/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KEIJSPER, JOHANNES J.
Exec Dt:
05/16/1991
2
VAN DER MADE, ALEXANDER W.
Exec Dt:
05/16/1991
Assignee
1
SHELL OIL COMPANY
P.O. BOX 2463
900 LOUISIANA HOUSTON, TX 77252-2463
TEXAS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5171832
NONE
07684109
Correspondence name and address
SHELL OIL COMPANY
DENISE Y. WOLFS
900 LOUISIANA
P.O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 3
Reel/Frame:006248/0255   Pages: 2
Recorded: 08/31/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KEIJSPER, JOHANNES J.
Exec Dt:
05/22/1991
2
VAN DER MADE, ALEXANDER W.
Exec Dt:
05/22/1991
3
VAN LEEUWEN, PETRUS W. N. M.
Exec Dt:
05/22/1991
Assignee
1
SHELL OIL COMPANY, A CORP. OF DE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5169926
NONE
07684110
Correspondence name and address
DENISE Y. WOLFS
C/O SHELL OIL CO.
PATENTS AND LICENSING
P.O. BOX 2463
HOUSTON, TX 77252-2463
Assignment: 4
Reel/Frame:006152/0907   Pages: 2
Recorded: 06/24/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DE JONG, ABE W.
Exec Dt:
09/25/1991
2
KEIJSPER, JOHANNES J.
Exec Dt:
09/25/1991
Assignee
1
SHELL OIL COMPANY A CORP. OF DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5147840
NONE
07767702
Correspondence name and address
SHELL OIL COMPANY
DENISE Y. WOLFS
INTELLECTUAL PROPERTY
P.O. BOX 2463
HOUSTON, TEXAS 77252-2463
Assignment: 5
Reel/Frame:006416/0721   Pages: 2
Recorded: 02/05/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DE JONG, ABE WIEBE
Exec Dt:
11/05/1991
2
KEIJSPER, JOHANNES J.
Exec Dt:
11/05/1991
Assignee
1
SHELL OIL COMPANY
P.O. BOX 2463, 900 LOUISIANA
HOUSTON, TEXAS 77252-2463
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5218085
NONE
07790894
Correspondence name and address
DENISE Y. WOLFS
SHELL OIL COMPANY
INTELLECTUAL PROPERTY
P. O. BOX 2463, 900 LOUISIANA
HOUSTON, TX 77252-2463
Assignment: 6
Reel/Frame:006396/0986   Pages: 2
Recorded: 01/25/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DRENT, EIT
Exec Dt:
01/07/1992
2
KEIJSPER, JOHANNES J.
Exec Dt:
01/07/1992
Assignee
1
SHELL OIL COMPANY
900 LOUISIANA
P.O. BOX 2463
HOUSTON, TEXAS 77252-2463
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5216120
NONE
07833211
Correspondence name and address
SHELL OIL COMPANY
DENIS Y. WOLFS
INTELLECTUAL PROPERTY
P.O. BOX 2463, 900 LOUISIANA
HOUSTON, TX 77252-2463
Assignment: 7
Reel/Frame:006508/0814   Pages: 2
Recorded: 05/03/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DRENT, EIT
Exec Dt:
01/24/1992
2
KEIJSPER, JOHANNES J.
Exec Dt:
01/24/1992
Assignee
1
SHELL OIL COMPANY
P.O. BOX 2463
900 LOUISIANA
HOUSTON, TEXAS 77252-2463
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5245123
NONE
07833201
Correspondence name and address
JAMES O. OKORAFOR
SHELL OIL COMPANY
INTELLECTUAL PROPERTY
P.O. BOX 2463 - 900 LOUISIANA
HOUSTON, TX 77252-2463
Assignment: 8
Reel/Frame:006535/0564   Pages: 2
Recorded: 05/17/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
KEIJSPER, JOHANNES J.
Exec Dt:
02/24/1992
Assignee
1
SHELL OIL COMPANY
P.O. BOX 2463
900 LOUISIANA
HOUSTON, TEXAS 77252-2463
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5237047
NONE
07851039
Correspondence name and address
JAMES O. OKORAFOR
SHELL OIL COMPANY
INTELLECTUAL PROPERTY
P.O. BOX 2463, 900 LOUISIANA
HOUSTON, TX 77252-2463
Assignment: 9
Reel/Frame:006727/0924   Pages: 2
Recorded: 10/12/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KEIJSPER, JOHANNES J.
Exec Dt:
03/20/1992
2
MACKAY, MUNRO
Exec Dt:
03/20/1992
Assignee
1
SHELL OIL COMPANY
P.O. BOX 2463, 900 LOUISIANA
HOUSTON, TEXAS 77252-2463
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5275799
NONE
07863921
Correspondence name and address
LEONARD P. MILLER
INTELLECTUAL PROPERTY
P.O. BOX 2463
900 LOUISIANA
HOUSTON, TX 77252-2463
Assignment: 10
Reel/Frame:006426/0530   Pages: 2
Recorded: 02/22/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
KEIJSPER, JOHANNES J.
Exec Dt:
06/01/1992
Assignee
1
SHELL OIL COMPANY
P.O. BIX 2463 900 LOUISIANNA
HOUSTON, TEXAS 77252-2463
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5210178
NONE
07901288
Correspondence name and address
JAMES O. OKORAFOR
SHELL OIL COMPANY
P.O. BOX 2463
900 LOUISIANA
HOUSTON, TX 77252-2463
Assignment: 11
Reel/Frame:006445/0694   Pages: 2
Recorded: 03/11/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DRENT, EIT
Exec Dt:
06/01/1992
2
KEIJSPER, JOHANNES J.
Exec Dt:
06/01/1992
Assignee
1
SHELL OIL COMPANY
P.O. BOX 2463
900 LOUISIANA
HOUSTON, TEXAS 77252-2463
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5225523
NONE
07901304
Correspondence name and address
DENISE Y. WOLFS
SHELL OIL COMPANY
INTELLECTUAL PROPERTY
P.O. BOX 2463, 900 LOUISIANA
HOUSTON, TX 77252-2463
Assignment: 12
Reel/Frame:006589/0667   Pages: 2
Recorded: 06/17/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GAUTIER, PIETER A.
Exec Dt:
08/27/1992
2
KEIJSPER, JOHANNES J.
Exec Dt:
08/27/1992
3
WIJNAARDEN, RUDOLF J.
Exec Dt:
09/10/1992
Assignee
1
SHELL OIL COMPANY
POST OFFICE BOX 2463 900 LOUISIANA HOUSTON, TEXAS 77252-2463
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5243026
NONE
07944670
Correspondence name and address
JAMES O. OKORAFOR - SHELL OIL COMPANY
INTELLECTUAL PROPERTY
POST OFFICE BOX 2463
900 LOUISIANA
HOUSTON, TEXAS 77252-2463
Assignment: 13
Reel/Frame:008611/0706   Pages: 5
Recorded: 07/21/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ARNOLDY, PETER
Exec Dt:
06/03/1997
2
GILTAY, PATRICIA J.
Exec Dt:
06/03/1997
3
KEIJSPER, JOHANNES J.
Exec Dt:
06/03/1997
4
SIMONS, THEODOOR J.
Exec Dt:
06/03/1997
Assignee
1
SHELL OIL COMPANY
P.O. BOX 2463
HOUSTON, TEXAS 77252
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5756828
NONE
08742286
Correspondence name and address
PATENT AND TRADEMARK ADMINISTRATOR
ICI AMERICAS INC.
LAW DEPARTMENT - CONCORD PLAZA
3411 SILVERSIDE ROAD - P.O. BOX 15391
WILMINGTON, DELAWARE 19850

Search Results as of: 06/27/2024 09:15 AM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT