Patent Assignment Details
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Reel/Frame: | 005239/0559 | |
| Pages: | 1 |
| | Recorded: | 02/20/1990 | | |
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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06/04/1991
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Application #:
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07484835
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Filing Dt:
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02/26/1990
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Title:
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METHODS AND APPARATUS FOR MAINTAINING LONGWALL FACE ALIGNMENT
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Assignee
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A CORP. OF DE. |
PITTSBURGH, PENNSYLVANIA |
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Correspondence name and address
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CONSOLIDATION COAL COMPANY
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RESEARCH & DEVELOPMENT
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4000 BROWNSVILLE RD.
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LIBRARY, PA. 15129
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