Patent Assignment Details
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Reel/Frame: | 004918/0468 | |
| Pages: | 2 |
| | Recorded: | 07/18/1988 | | |
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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07/25/1989
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Application #:
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07191516
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Filing Dt:
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05/09/1988
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Title:
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FLUID LOSS ADDITIVE FOR WELL DRILLING FLUIDS
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Correspondence name and address
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MARK A. GREENFIELD
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PAT. DEPT., HENKEL CORP.
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300 BROOSIDE AVE.
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AMBLER, PA 19002
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