Patent Assignment Details
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| Reel/Frame: | 008194/0895 | |
| Pages: | 13 |
| | Recorded: | 11/01/1996 | | |
| Conveyance: | SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). |
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Total properties:
4
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Patent #:
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Issue Dt:
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05/14/1991
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Application #:
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07434709
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Filing Dt:
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11/13/1989
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Title:
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QUARTZ INTEGRATED TROUGH/SUMP RECIRCULATING FILTERED HIGH-PURITY CHEMICAL BATH
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Patent #:
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Issue Dt:
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10/08/1991
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Application #:
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07633690
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Filing Dt:
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12/26/1990
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Title:
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RECIRCULATING CHEMICAL BATH WITH INFLOW AND SELF BALANCING OUTFLOW
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Patent #:
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Issue Dt:
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10/15/1991
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Application #:
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07650193
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Filing Dt:
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02/04/1991
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Title:
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HIGH TEMPERATURE RECIRCULATING CHEMICAL BATH CONSTRUCTION
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Patent #:
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Issue Dt:
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01/24/1995
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Application #:
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08188817
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Filing Dt:
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01/31/1994
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Title:
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APPARATUS AND METHOD FOR PROTECTING CHEMICAL BATH SEALS
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Assignee
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| WIDENER BUILDING |
| 1345 CHESTNUT STREET, 12TH FLOOR |
| PHILADELPHIA, PENNSYLVANIA 19107 |
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Correspondence name and address
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DUANE, MORRIS & HECKSCHER
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CLAUDIA Z. SPRINGER, ESQUIRE
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4200 ONE LIBERTY PLACE
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1650 MARKET STREET
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PHILADELPHIA, PA 19103
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