Patent Assignment Details
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Reel/Frame: | 004603/0829 | |
| Pages: | 1 |
| | Recorded: | 09/11/1986 | | |
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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02/17/1987
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Application #:
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06803380
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Filing Dt:
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12/02/1985
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Title:
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GRINDING AIDS FOR HYDRAULIC CEMENT
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Correspondence name and address
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BART G. NEWLAND
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W. R. GRACE & CO.
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PATENT DEPT.
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55 HAYDEN AVE.
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LEXINGTON, MA 02173
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