Patent Assignment Details
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Reel/Frame: | 004492/0130 | |
| Pages: | 1 |
| | Recorded: | 08/23/1985 | | |
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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04/28/1987
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Application #:
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06763031
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Filing Dt:
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08/06/1985
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Title:
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DRAG TYPE DRILL BIT
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Correspondence name and address
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MARGARET E. ANDERSON
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BROWNING, BUSHMAN, ZAMECKI & ANDERSON
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5718 WESTHEIMER, STE. 1800
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HOUSTON, TX 77057
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