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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07/06/1993
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Application #:
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07753200
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Filing Dt:
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08/30/1991
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Inventors:
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DAVID R. WATKINS, JOSEPH J. CLEMENS, JOHN C. SMITH, HETTY G. EDWARDS et al
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Title:
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USE OF SCALE INHIBITORS IN HYDRAULIC FRACTURE FLUIDS TO PREVENT SCALE BUILD-UP
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| A CORP. OF CA |
| LOS ANGELES, CALIFORNIA |
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| CHARLES L. HARTMAN |
| UNION OIL CO. OF CALIFORNIA |
| P.O. BOX 7600 |
| BREA, CA 92622-7600 |
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