Patent Assignment Details
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Reel/Frame: | 005514/0699 | |
| Pages: | 3 |
| | Recorded: | 11/14/1990 | | |
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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03/17/1992
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Application #:
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07613241
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Filing Dt:
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11/14/1990
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Title:
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HYDRAULIC ACTION FOR ROTARY DRILL BITS
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Correspondence name and address
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EUGENE N. RIDDLE
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DODGE BUSH & MOSELEY
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950 ECHO LANE
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SUITE 180
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HOUSTON, TX 77024
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05/29/2024 10:32 PM
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