Patent Assignment Details
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Reel/Frame: | 004827/0949 | |
| Pages: | 2 |
| | Recorded: | 02/16/1988 | | |
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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05/03/1988
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Application #:
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07040381
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Filing Dt:
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04/20/1987
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Title:
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METHOD FOR MANUFACTURING A ROTARY ROCK BIT
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Assignee
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P.O. BOX 2539 |
HOUSTON, TEXAS 77252-2539 |
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Correspondence name and address
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ROBERT A. FELSMAN
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CHIEF PATENT COUNSEL
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PATENTS & TECHNOLOGY MGMNT.
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HUGHES TOOL COMPANY-USA, P.O. BOX 2539
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HOUSTON, TX 77252-2539
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