Patent Assignment Details
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| Reel/Frame: | 004080/0753 | |
| Pages: | 1 |
| | Recorded: | 01/17/1983 | | |
| 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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05/10/1983
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Application #:
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06325696
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Filing Dt:
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11/30/1981
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Title:
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LABORATORY METHOD FOR TESTING THE EFFECTIVENESS OF RELEASE AGENTS FOR PREVENTING COAL FROM FREEZING TO THE SIDES OF COAL CARS
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Assignee
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| A CORP. OF DEL. |
| OAK BROOK, ILLINOIS |
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Correspondence name and address
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JOHN G PREMO
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NALCO CHEMICAL CO.
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2901 BUTTERFIELD ROAD
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OAK BROOK, IL 60521
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