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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05/19/1992
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Application #:
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07608816
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Filing Dt:
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11/05/1990
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Inventor:
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JOHN HUGHES
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Title:
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METHOD OF IMPROVING WATER-SWELLABLE CLAY PROPERTIES BY RE-DRYING, COMPOSITIONS AND ARTICLES
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| ONE NORTH ARLINGTON, 1500 WEST SHURE DRIVE |
| ARLINGTON HEIGHTS, ILLINOIS 60004-1434 |
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| MARSHALL, O'TOOLE, GERSTEIN, |
| MURRAY & BICKNELL |
| TOW FIRST NATIONAL PLZ., STE. 2100 |
| 20 S. CLARK ST., |
| CHICAGO, IL 60603 |
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Assignment:
2
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CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
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| ONE NORTH ARLINGTON, 1500 WEST SHURE DRIVE |
| ARLINGTON HEIGHTS, ILLINOIS 60004 |
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| MARSHALL, O'TOOLE, GERSTEIN, ET AL. |
| RICHARD H. ANDERSON |
| 6300 SEARS TOWER |
| 233 SOUTH WACKER DRIVE |
| CHICAGO, IL 60606-6402 |
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