Patent Assignment Details
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Reel/Frame: | 005248/0500 | |
| Pages: | 1 |
| | Recorded: | 02/28/1990 | | |
Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Total properties:
1
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Patent #:
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Issue Dt:
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04/09/1991
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Application #:
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07486144
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Filing Dt:
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02/28/1990
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Title:
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MULTIPLE FRACTURE PRODUCTION DEVICE AND METHOD
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Assignee
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DBA UNOCAL |
A CORP. OF CA |
LOS ANGELES, CALIFORNIA |
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Correspondence name and address
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WILLIAM O. JACOBSON
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PATENT DEPT., UNION OIL COMPANY OF
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CALIFORNIA, P. O. BOX 76
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BREA, CA 92621
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