Patent Assignment Details
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Reel/Frame: | 003827/0137 | |
| Pages: | 2 |
| | Recorded: | 02/05/1981 | | |
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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08/17/1982
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Application #:
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06197669
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Filing Dt:
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10/16/1980
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Title:
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LOCK OPEN MECHANISM FOR SUBSURFACE SAFETY VALVE
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Assignee
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A CORP. OF DE. |
CARROLLTON, TEXAS |
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Correspondence name and address
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N. ELTON DRY
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VINSON & ELKINS
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2100 FIRST CITY NATL. BANK BLDG.
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HOUSTON, TX 77002
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