Patent Assignment Abstract of Title
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Total Assignments:
3
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Patent #:
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Issue Dt:
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10/19/1982
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Application #:
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06142096
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Filing Dt:
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04/21/1980
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Inventors:
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MICHAEL B. CALHOUN, ROBERT L. HOLLAND, PAUL D. SCOTT
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Title:
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WELL SAFETY VALVE
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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OTIS |
P.O. BOX 34380 |
DALLAS, TX 75234 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST.
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OTIS ENGINEERING CORPORATION |
P.O.BOX 34380 |
DALLAS, TX. 75234 |
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Assignment:
3
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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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