Patent Assignment Details
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| Reel/Frame: | 005167/0905 | |
| Pages: | 3 |
| | Recorded: | 10/26/1989 | | |
| 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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07/31/1990
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Application #:
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07426762
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Filing Dt:
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10/26/1989
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Title:
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DOWNHOLE SAFETY VALVE FOR SUBTERRANEAN WELL AND METHOD
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Assignee
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| 3900 ESSEX LANE, SUITE 1200 |
| A CORP. OF DELAWARE |
| HOUSTON, TEXAS 77027 |
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Correspondence name and address
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WILLIAM C. NORVELL, JR.
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HUBBARD, THURMAN, TURNER & TUCKER
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6363 WOODWAY
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SUITE 275
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HOUSTON, TX 77057
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