Patent Assignment Details
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| Reel/Frame: | 004235/0999 | |
| Pages: | 1 |
| | Recorded: | 12/09/1983 | | |
| 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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05/28/1985
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Application #:
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06559651
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Filing Dt:
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12/09/1983
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Title:
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EARTH BORING BIT WITH PRESSURE COMPENSATING BEARING SEAL
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Assignee
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| 2539 |
| HOUSTON, TEXAS 77001 |
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Correspondence name and address
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ROBERT A. FELSMAN
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PAT. COUN., PATS. & TECHNOLOGY
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MANAGEMENT, HUGHES TOOL CO.
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P.O. BOX 2539
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HOUSTON, TX 77001
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