Patent Assignment Details
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Reel/Frame: | 005310/0570 | |
| Pages: | 2 |
| | Recorded: | 05/15/1990 | | |
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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06/04/1991
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Application #:
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07523416
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Filing Dt:
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05/15/1990
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Title:
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METHOD OF PREVENTING THE DETERIORATION OF A HARDENED CEMENT-BASED MASS
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Assignee
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3-7-1, KANDA NISHIKI-CHO, CHIYODA-KU, |
TOKYO, JAPAN |
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Correspondence name and address
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OFIFF & BERRIDGE
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PO BOX 19928
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ALEXANDRIA, VA 22320
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