Patent Assignment Details
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Reel/Frame: | 005691/0446 | |
| Pages: | 4 |
| | Recorded: | 05/02/1991 | | |
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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11/05/1991
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Application #:
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07371430
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Filing Dt:
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06/23/1989
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Title:
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CHROMIUM-FREE IMPREGNATED ACTIVATED CARBON FOR ADSORPTION OF TOXIC GASES AND/OR VAPORS
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Assignee
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500 CALGON CARBON DRIVE |
PITTSBURGH, PENNSYLVANIA 15205 |
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Correspondence name and address
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THOMAS C. WETTACH
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P.O. BOX 2009
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PITTSBURGH, PA 15230
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