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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10/02/1990
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Application #:
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07395809
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Filing Dt:
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08/18/1989
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Inventor:
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JOHN E. NELSON
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Title:
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CASING HANGER SEAL ASSEMBLY WITH DIVERGING TAPER
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| 10777 NORTHWEST FREEWAY |
| A CORP. OF DE |
| HOUSTON, TEXAS 77252-2291 |
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| JAMES E. BRADLEY |
| PATS. AND TECHNOLOGY MGMNT |
| HUGHES TOOL COMPANY |
| P. O. BOX 2539 |
| HOUSTON, TX 77252-2539 |
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Assignment:
2
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SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
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| JEAN A. MCNAMARA |
| BAKER & BOTTS |
| ONE SHELL PLAZA |
| 910 LOUISIANA, HOUSTON, TEXAS 77002-4995 |
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