Patent Assignment Abstract of Title
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Total Assignments:
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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Inventors:
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ERIK P. V. ERIKSEN, BRIAN K. DRAKELEY, MICHAEL A. CARMODY
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Title:
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DOWNHOLE SAFETY VALVE FOR SUBTERRANEAN WELL AND METHOD
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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3900 ESSEX LANE, SUITE 1200 |
A CORP. OF DELAWARE |
HOUSTON, TEXAS 77027 |
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WILLIAM C. NORVELL, JR. |
HUBBARD, THURMAN, TURNER & TUCKER |
6363 WOODWAY |
SUITE 275 |
HOUSTON, TX 77057 |
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