Patent Assignment Details
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Reel/Frame: | 006147/0502 | |
| Pages: | 3 |
| | Recorded: | 06/15/1992 | | |
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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11/16/1993
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Application #:
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07861199
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Filing Dt:
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03/31/1992
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Title:
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WELL CASING APPARATUS AND METHOD
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Correspondence name and address
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LANEY, DOUGHERTY, HESSIN & BEAVERS
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DENNIS D. BROWN
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WILLIAMS CENTER TOWER I, STE 1110
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ONE WEST THIRD ST.
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TULSA, OK 74103-3515
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