Patent Assignment Details
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Reel/Frame: | 004846/0288 | |
| Pages: | 2 |
| | Recorded: | 03/01/1988 | | |
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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01/03/1989
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Application #:
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07162707
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Filing Dt:
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03/01/1988
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Title:
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GATE TYPE KELLY COCK VALVE
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Assignee
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7135 ARDMORE STREET |
A CORP. OF DE |
HOUSTON, TEXAS 77054 |
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Correspondence name and address
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JAMES E. BRADLEY
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PATENTS & TECHNOLOGY MANAGEMENT
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HUGHES TOOL CO.
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P. O. BOX 2539
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HOUSTON, TX 77001
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