Patent Assignment Details
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| Reel/Frame: | 003950/0151 | |
| Pages: | 1 |
| | Recorded: | 12/03/1981 | | |
| 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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08/02/1983
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Application #:
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06321655
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Filing Dt:
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11/16/1981
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Title:
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DRILL BIT EXTENSION FOR SIDEWALL CORER
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Correspondence name and address
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FRED E. HOOK
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AMOCO PRODUCTION COMPANY
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P.O. BOX 591
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TULSA, OK 74102
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