Patent Assignment Abstract of Title
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Total Assignments:
2
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Patent #:
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Issue Dt:
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03/21/1989
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Application #:
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06939647
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Filing Dt:
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12/09/1986
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Inventor:
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AHMAD ARFAEI
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Title:
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HYDRAULIC CEMENT ADDITIVES AND HYDRAULIC CEMENT COMPOSITIONS CONTAINING SAME
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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W.R. GRACE & CO. |
PATENT DEPT. |
55 HAYDEN AVE. |
LEXINGTON, MA 02173 |
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Assignment:
2
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MERGER (SEE DOCUMENT FOR DETAILS).
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55 HAYDEN AVE. |
LEXINGTON, MASSACHUSETTS 02173 |
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WILLIAM L. BAKER |
55 HAYDEN AVENUE |
LEXINGTON, MA 02173 |
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