Patent Assignment Details
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Reel/Frame: | 004723/0700 | |
| Pages: | 2 |
| | Recorded: | 06/11/1987 | | |
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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04/26/1988
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Application #:
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06808715
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Filing Dt:
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12/13/1985
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Title:
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WELL DRILLING FLUIDS AND PROCESS FOR DRILLING WELLS
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Correspondence name and address
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C. R. REAP
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ATLANTIC RICHFIELD COMPANY
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3801 WEST CHESTER PIKE
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NEWTOWN SQUARE, PA 19073
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