Patent Assignment Details
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Reel/Frame: | 003851/0663 | |
| Pages: | 1 |
| | Recorded: | 05/04/1981 | | |
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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06/22/1982
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Application #:
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06235190
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Filing Dt:
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02/17/1981
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Title:
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HIGH STRENGTH AGGREGATE FOR CONCRETE
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Assignee
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62 WHITTEMORE AVENUE |
CAMBRIDGE, MASSACHUSETTS 02140 |
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Correspondence name and address
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W. R. GRACE & CO.
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PATENT DEPARTMENT
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62 WHITTEMORE AVENUE
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CAMBRIDGE, MA 02140
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