Patent Assignment Details
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For pending or abandoned applications please consult USPTO staff.
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| Reel/Frame: | 005681/0367 | |
| Pages: | 3 |
| | Recorded: | 07/19/1991 | | |
| Conveyance: | CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). |
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Total properties:
6
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Patent #:
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Issue Dt:
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04/30/1985
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Application #:
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06603639
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Filing Dt:
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04/25/1984
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Title:
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CONTINUOUS DIRECT PROCESS OF LEAD SMELTING
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Patent #:
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Issue Dt:
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05/05/1987
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Application #:
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06764878
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Filing Dt:
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08/12/1985
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Title:
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PROCESS FOR RECOVERING OR PURIFYING SELENIUM
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Patent #:
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Issue Dt:
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08/29/1989
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Application #:
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07163262
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Filing Dt:
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03/02/1988
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Title:
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PROCESS FOR PREPARING CHLOROPOLYSILANES
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Patent #:
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Issue Dt:
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09/11/1990
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Application #:
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07394275
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Filing Dt:
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08/15/1989
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Title:
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PROCESS FOR RECOVERING GALLIUM TRICHLORIDE FROM GALLIUM-CONTAINING WASTE
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Patent #:
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Issue Dt:
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11/03/1992
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Application #:
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07444676
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Filing Dt:
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12/01/1989
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Title:
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PROCESS FOR RECOVERING TELLURIUM FROM COPPER ELECTROLYSIS SLIME
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Patent #:
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Issue Dt:
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07/23/1991
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Application #:
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07456572
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Filing Dt:
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12/29/1989
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Title:
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PROCESS FOR PREPARING AMORPHOUS SILICON
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Correspondence name and address
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RUSSELL D. ORKIN/JANET L. STOY
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515 OLIVER BLDG.
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535 SMITHFIELD ST.
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PITTSBURGH, PA 15222-2363
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