Patent Assignment Details
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| Reel/Frame: | 005727/0944 | |
| Pages: | 2 |
| | Recorded: | 05/22/1991 | | |
| 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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04/06/1993
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Application #:
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07704027
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Filing Dt:
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05/22/1991
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Title:
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RAISE BORING HEAD AND STEM ASSEMBLY METHOD
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Assignee
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| A CORPORATION OF DE |
| P.O. BOX 4740 |
| HOUSTON, TEXAS 77210 |
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Correspondence name and address
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ROBERT A. FELSMAN
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2600 CONTINENTAL PLAZA
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777 MAIN STREET
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FORT WORTH, TX 76102
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