Patent Assignment Details
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For pending or abandoned applications please consult USPTO staff.
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| Reel/Frame: | 009980/0576 | |
| Pages: | 10 |
| | Recorded: | 05/27/1999 | | |
| Conveyance: | MERGER (SEE DOCUMENT FOR DETAILS). |
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Total properties:
10
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Patent #:
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Issue Dt:
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01/02/1990
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Application #:
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07138663
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Filing Dt:
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12/24/1987
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Title:
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SELF-SYNCHRONIZING MULTIPLEXER
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Patent #:
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Issue Dt:
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10/20/1992
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Application #:
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07562713
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Filing Dt:
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08/03/1990
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Title:
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RESIDUAL ECHO ELIMINATION WITH PROPORTIONATE NOISE INJECTION
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Patent #:
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Issue Dt:
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06/01/1993
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Application #:
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07713824
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Filing Dt:
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06/12/1991
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Title:
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METHOD FOR REMOTE POWER FAIL DETECTION AND MAINTAINING CONTINUOUS OPERATION FOR DATA AND VOICE DEVICES OPERATING OVER LOCAL LOOPS
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Patent #:
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Issue Dt:
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09/28/1993
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Application #:
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07773486
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Filing Dt:
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10/09/1991
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Title:
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RESIN CURING APPARATUS AND METHOD UTILIZING INFRARED LAMP AND BLOWER CONTROL MEANS
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Patent #:
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Issue Dt:
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02/01/1994
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Application #:
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07922990
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Filing Dt:
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07/30/1992
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Title:
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ECHO CANCELLER PROCESSING TECHNIQUES AND PROCESSORS
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Patent #:
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Issue Dt:
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08/27/1996
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Application #:
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08295019
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Filing Dt:
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08/24/1994
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Title:
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FULL-DUPLEX ADAPTER FOR PBX TELEPHONE SYSTEM
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Patent #:
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Issue Dt:
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05/20/1997
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Application #:
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08317797
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Filing Dt:
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10/04/1994
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Title:
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AUTOMATIC ECHO CANCELLATION FOR AN INTEGRATED SERVICES DIGITAL NETWORK INTERFACE
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Patent #:
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Issue Dt:
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04/20/1999
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Application #:
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08419642
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Filing Dt:
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04/06/1995
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Title:
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COMPACT SPEAKERPHONE APPARATUS
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Patent #:
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Issue Dt:
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10/01/1996
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Application #:
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08498632
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Filing Dt:
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07/06/1995
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Title:
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ECHO CANCELER WITH SUBBAND ATTENUATION AND NOISE INJECTION CONTROL
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Patent #:
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Issue Dt:
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02/14/1995
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Application #:
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29018673
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Filing Dt:
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02/14/1994
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Title:
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TRANSCEIVER MODULE FOR A TABLE-TOP TELECONFERENCING SYSTEM
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Assignee
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| 4951 INDIANA AVENUE |
| LISLE, ILLINOIS 60532 |
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Correspondence name and address
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DANN, DORFMAN, HERELL & SKILLMAN
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JOHN B. BERRYHILL, PH.D.
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1601 MARKET STREET, SUITE 720
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PHILADELPHIA, PA 19103
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