Patent Assignment Details
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Reel/Frame: | 004091/0925 | |
| Pages: | 1 |
| | Recorded: | 02/04/1983 | | |
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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06/14/1983
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Application #:
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06330550
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Filing Dt:
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12/14/1981
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Title:
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PROCESS FOR REDUCING RADIOACTIVE CONTAMINATION IN PHOSPHOGYPSUM
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Assignee
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101 SOUTH WACKER DRIVE, |
CHICAGO, ILLINOIS 60606 |
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Correspondence name and address
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KENNETH E. ROBERTS
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U. S. GYPSUM CO.
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101 S. WACKER DR.
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CHICAGO, IL 60606
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