Patent Assignment Abstract of Title
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Total Assignments:
2
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Patent #:
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Issue Dt:
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05/22/1990
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Application #:
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07404241
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Filing Dt:
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09/07/1989
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Inventors:
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RONALD E. PRINGLE, ARTHUR J. MORRIS
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Title:
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SUBSURFACE WELL SAFETY VALVE WITH CURVED FLAPPER AND METHOD OF MAKING
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| A CORP. OF TX |
| HARRIS COUNTY HOUSTON, TEXAS |
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| PATENT DEPT. |
| FULBRIGHT & JAWORSKI |
| 1301 MC KINNEY STREET |
| HOUSTON, TX 77010 |
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Assignment:
2
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MERGER (SEE DOCUMENT FOR DETAILS).
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| FULBRIGHT & JAWORSKI |
| 1301 MCKINNEY |
| SUITE 5100 |
| HOUSTON, TX 77010-3095 |
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