Patent Assignment Details
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Reel/Frame: | 004625/0395 | |
| Pages: | 2 |
| | Recorded: | 10/16/1986 | | |
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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05/10/1988
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Application #:
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06862746
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Filing Dt:
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05/13/1986
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Title:
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CARBOXYMETHYL GUAR BASED DRILLING FLUIDS
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Assignee
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A CORP OF DE |
WILMINGTON, DELAWARE |
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Correspondence name and address
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JOANNE L. HORN
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PATENT SECTION
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HERCULES INCORPORATED
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HERCULES PLAZA
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WILMINGTON, DE 19894
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