Patent Assignment Details
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For pending or abandoned applications please consult USPTO staff.
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Reel/Frame: | 005613/0004 | |
| Pages: | 3 |
| | Recorded: | 12/20/1990 | | |
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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08/11/1992
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Application #:
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07623992
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Filing Dt:
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12/20/1990
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Title:
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PROCESS FOR THE BIOLOGICAL PURIFICATION OF WASTE WATER
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Correspondence name and address
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RICHARD H. TUSHIN, ESQ.
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WATSON, COLE, GRINDLE & WATSON
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1400 K STREET, N.W.
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SUITE 725
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WASHINGTON, D.C. 20005-2477
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