Patent Assignment Details
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| Reel/Frame: | 004181/0301 | |
| Pages: | 1 |
| | Recorded: | 10/03/1983 | | |
| 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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03/26/1985
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Application #:
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06538648
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Filing Dt:
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10/03/1983
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Title:
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METHOD OF CONNECTING JOINTS OF DRILL PIPE
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Assignee
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| P.O. BOX 2539 |
| HOUSTON, TEXAS 77001 |
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Correspondence name and address
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ROBERT A. FELSMAN
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PATS. AND TECHNOLODY MGMNT.
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HUGHES TOOL COMPANY, P. O. BOX 2539
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HOUSTON, TX 77001
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