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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02/27/1990
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Application #:
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07279363
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Filing Dt:
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12/02/1988
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Inventor:
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LOWELL M. REED
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Title:
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DERRICK HAVING UPPER AND LOWER CROWN BLOCK POSITIONS
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| A CORP OF OK |
| DEL CITY, OKLAHOMA |
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| HEAD, JOHNSON & STEVENSON |
| 228 WEST 17 PL. |
| TULSA, OK 74119 |
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Assignment:
2
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| 4TH FLOOR |
| 135 EAST 57TH STREET |
| NEW YORK, NEW YORK 10022 |
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| THOMPSON & KNIGHT, P.C. |
| DANIEL CHALKER |
| 1700 PACIFIC AVENUE |
| SUITE 3300 |
| DALLAS, TX 75201-4693 |
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