Patent Assignment Abstract of Title
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Total Assignments:
1
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Patent #:
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Issue Dt:
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09/10/1991
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Application #:
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07352324
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Filing Dt:
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05/11/1989
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Inventors:
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DAVID G. IZARD, MARK H. ENGLERT
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Title:
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METHOD FOR MANUFACTURE OF LIGHTWEIGHT FROTHED MINERAL WOOL PANEL
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| 101 SOUTH WACKER DR. |
| CHICAGO, ILLINOIS 60606 |
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| ROBERT M. DIDRICK |
| USG CORPORATION, 101 S. WACKER DRIVE. |
| CHICAGO, IL 60606-4385 |
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