Patent Assignment Assignor Details
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Assignor Name :
CHEUNG, PHILIP S.
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Total Assignments:
3
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Assignment:
1
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| Reel/Frame: | 005147/0103 | |
| Pages: | 2 |
| | Recorded: | 05/22/1989 | | |
| 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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07327852
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Correspondence name and address
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SCHLUMBERGER-DOLL RESEARCH
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PATENT DEPT., OLD QUARRY RD.
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RIDGEFIELD, CT 06877-4108
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Assignment:
2
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| Reel/Frame: | 029132/0309 | |
| Pages: | 5 |
| | Recorded: | 10/16/2012 | | |
| Attorney Dkt #: | 21.1867-1USPCT ASSIGNMENT |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Assignee
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| 300 SCHLUMBERGER DRIVE |
| SUGAR LAND, TEXAS 77478 |
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Pat #
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Pub #
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Intl #
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App #
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13579942
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Correspondence name and address
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SCHLUMBERGER - COE
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WESTERNGECO 10001 RICHMOND AVE.
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ROOM 3028
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HOUSTON, TX 77042
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Assignment:
3
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| Reel/Frame: | 033388/0596 | |
| Pages: | 6 |
| | Recorded: | 07/25/2014 | | |
| Attorney Dkt #: | IS11.0781USPCT ASSIGNMENT |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Assignee
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| 300 SCHLUMBERGER DRIVE |
| SUGAR LAND, TEXAS 77478 |
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Pat #
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Pub #
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Intl #
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App #
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14367226
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Correspondence name and address
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SCHLUMBERGER - COE
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WESTERNGECO 10001 RICHMOND AVE.
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ROOM 3028
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HOUSTON, TX 77042
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