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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07/08/1986
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Application #:
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06678125
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Filing Dt:
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12/04/1984
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Inventor:
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RONALD E. PRINGLE
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Title:
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FAIL-SAFE WELL SAFETY VALVE AND METHOD
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| PATENT DEPARTMENT |
| FULBRIGHT & JAWORSKI |
| 800 BANK OF THE SOUTHWEST BLDG. |
| HOUSTON, TX 77002 |
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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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