Patent Assignment Details
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Reel/Frame: | 003990/0693 | |
| Pages: | 3 |
| | Recorded: | 03/12/1982 | | |
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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02/28/1984
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Application #:
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06357782
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Filing Dt:
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03/12/1982
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Title:
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METHOD FOR SECURING A WEAR SLEEVE AAOUT A DRILL PIPE
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Assignee
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DB THROUGH DRILCO DIVISION |
A CORP. OF CA. |
HOUSTON, TEXAS |
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Correspondence name and address
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MURRAY ROBINSON
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1100 ESPERSON BLDG.
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HOUSTON, TX 77002
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