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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05/18/1993
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Application #:
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07873457
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Filing Dt:
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04/24/1992
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Inventors:
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WILLIAM D. HENDERSON, JAMES D. HENDRICKSON, JOHN C. GANO
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Title:
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METAL-TO-METAL SEAL FOR OIL WELL TUBING STRING
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| OTIS ENGINEERING CORPORATION |
| ATTN: THOMAS V. MALORZO |
| PATENT DEPARTMENT |
| P.O. BOX 819052 |
| DALLAS, TX 75381-9052 |
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Assignment:
2
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MERGER (SEE DOCUMENT FOR DETAILS).
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| LEGAL, INTELLECTUAL PROPERTY DEPARTMENT |
| P.O. BOX 819052 |
| DALLAS, TEXAS 75381 |
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| ROBERT A. KENT |
| LEGAL, INTELLECTUAL PROPERTY DEPARTMENT |
| HALLIBURTON ENERGY SERVICES |
| MAIL CODE 1-E-135, P.O. BOX 819052 |
| DALLAS, TX 75381 |
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