Patent Assignment Abstract of Title
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Total Assignments:
1
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Patent #:
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Issue Dt:
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10/08/1991
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Application #:
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07562779
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Filing Dt:
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08/03/1990
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Inventor:
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JOHN H. DUERKSEN
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Title:
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IN-SITU HEATED ANNULUS REFINING PROCESS
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| SAN FRANCISCO, CALIFORNIA |
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| EDWARD J. KEELING |
| CHEVRON CORPORATION |
| LAW DEPARTMENT - PATENT DIVISION |
| P.O. BOX 7141 |
| SAN FRANCISCO, CA 94120-7141 |
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