Patent Assignment Abstract of Title
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Total Assignments:
1
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Patent #:
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NONE
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Issue Dt:
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Application #:
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13339699
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Filing Dt:
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12/29/2011
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Publication #:
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Pub Dt:
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07/05/2012
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Inventors:
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James R. Wittbold, Bruce L. Petersen, David R. Blackburn
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Title:
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METHOD OF IMPROVING GYPSUM BOARD STRENGTH
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 550 WEST ADAMS STREET |
| CHICAGO, ILLINOIS 60661-3676 |
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| GREER, BURNS & CRAIN, LTD. |
| 300 SOUTH WACKER DRIVE |
| SUITE 2500 |
| CHICAGO, IL 60606 |
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