Patent Assignment Assignor Details
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For pending or abandoned applications please consult USPTO staff.
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Assignor Name :
DU BOIS, DONN A.
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Total Assignments:
3
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Assignment:
1
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| Reel/Frame: | 005562/0944 | |
| Pages: | 2 |
| | Recorded: | 01/14/1991 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Pat #
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Pub #
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Intl #
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App #
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NONE
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07446827
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Correspondence name and address
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DONALD F. HAAS
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C/O SHELL OIL COMPANY
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PATENTS AND LICENSING
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P. O. BOX 2463
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HOUSTON, TX 77252-2463
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Assignment:
2
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| Reel/Frame: | 006306/0136 | |
| Pages: | 2 |
| | Recorded: | 11/09/1992 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Assignee
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| P.O. BOX 2463 |
| 900 LOUISIANA |
| HOUSTON, TEXAS 77252-2463 |
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Pat #
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Pub #
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Intl #
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App #
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NONE
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07525812
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Correspondence name and address
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SHELL OIL COMPANY
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KEITH M. TACKETT
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P.O. BOX 2463
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900 LOUISIANA
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HOUSTON, TX 77252-2463
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Assignment:
3
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| Reel/Frame: | 005814/0830 | |
| Pages: | 2 |
| | Recorded: | 08/30/1991 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Pat #
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Pub #
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Intl #
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App #
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NONE
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07589363
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Correspondence name and address
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JAMES O. OKORAFOR
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SHELL OIL CO.,
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PATENTS & LICENSING
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P. O. BOX 2463
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HOUSTON, TX 77252-2463
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06/25/2024 11:10 AM
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