Patent Assignment Details
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| Reel/Frame: | 005407/0499 | |
| Pages: | 2 |
| | Recorded: | 07/31/1990 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Total properties:
1
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Patent #:
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Issue Dt:
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04/23/1991
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Application #:
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07560533
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Filing Dt:
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07/31/1990
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Title:
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WELL CEMENT FLUID LOSS ADDITIVE AND METHOD
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Assignee
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| 1000 SOUTH PINE |
| PONCA CITY, OKLAHOMA 74603 |
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Correspondence name and address
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RICHARD COLLINS
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PATENT AND LICENSING DIV., CONOCO INC.,
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P. O. BOX 1267
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PONCA CITY, OK 74603
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