Patent Assignment Assignor Details
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For pending or abandoned applications please consult USPTO staff.
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Assignor Name :
WATSON, DONALD C.
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Total Assignments:
5
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Assignment:
1
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| Reel/Frame: | 004544/0782 | |
| Pages: | 3 |
| | Recorded: | 03/17/1986 | | |
| 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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06840143
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Correspondence name and address
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D. C. WATSON
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111 MONTROSE BLVD.
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READING, PA 19607
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Assignment:
2
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| Reel/Frame: | 005200/0218 | |
| Pages: | 4 |
| | Recorded: | 12/20/1989 | | |
| 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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07453682
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Correspondence name and address
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JAMES R. HEAD
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HEAD & JOHNSON
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228 WEST 17TH PLACE
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TULSA, OK 74119
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Assignment:
3
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| Reel/Frame: | 005644/0407 | |
| Pages: | 5 |
| | Recorded: | 03/12/1991 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Assignee
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| A CORP. OF OKLAHOMA |
| TULSA, OKLAHOMA |
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Pat #
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Intl #
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App #
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NONE
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07667820
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Correspondence name and address
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JAMES R. HEAD
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HEAD AND JOHNSON
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228 WEST 17TH PLACE
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TULSA, OK 74119
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Assignment:
4
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| Reel/Frame: | 008261/0850 | |
| Pages: | 3 |
| | Recorded: | 12/09/1996 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Assignee
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| P.O. BOX 14484 |
| 7030 ARDMORE |
| HOUSTON, TEXAS 77221 |
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Pat #
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Intl #
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App #
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NONE
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29033860
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Correspondence name and address
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CAMCO INTERNATIONAL INC.
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SCOTT H. BROWN
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7030 ARDMORE
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P.O. BOX 14484
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HOUSTON, TX 77221
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Assignment:
5
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| Reel/Frame: | 011049/0675 | |
| Pages: | 3 |
| | Recorded: | 09/05/2000 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Assignee
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| 300 SCHLUMBERGER DRIVE |
| SUGARLAND, TEXAS 77478 |
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Pat #
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Intl #
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App #
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NONE
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09540684
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Correspondence name and address
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FLETCHER, YODER & VAN SOMEREN
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ROBERT A. VAN SOMEREN
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7915 FM 1960 WEST, SUITE 330
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HOUSTON, TX 77070
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