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05100890
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05145292
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05214198
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05214886
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05319244
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05319245
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05319449
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05319837
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05351885
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05352001
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05384336
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05401744
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05429936
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05431052
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05431878
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05431885
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05431928
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05460288
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05467761
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05478960
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05506482
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05520828
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05542947
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05543042
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05551495
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05555591
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05561744
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05561745
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05561796
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05561797
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05561825
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05561871
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05561954
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05615522
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05653395
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05673827
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05686771
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05686772
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05686773
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05686774
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05745442
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05854639
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05/08/1979
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Application #:
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05855075
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Filing Dt:
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11/25/1977
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Title:
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DIGITAL CONFERENCE
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05927067
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06/04/1985
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Application #:
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06289960
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Filing Dt:
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08/04/1981
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Title:
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DIGITAL PRIVATE BRANCH EXCHANGE
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Patent #:
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Issue Dt:
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11/05/1985
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Application #:
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06557693
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Filing Dt:
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12/02/1983
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Title:
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TELEPHONE BASED CONTROL SYSTEM
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Patent #:
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Issue Dt:
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07/15/1986
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Application #:
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06557720
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Filing Dt:
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12/01/1983
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Title:
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HOTEL TELEPHONE FACEPLATE
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Patent #:
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Issue Dt:
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02/24/1987
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Application #:
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06562623
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Filing Dt:
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12/19/1983
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Title:
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ADAPTIVE DELTA MODULATION CODEC
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Patent #:
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Issue Dt:
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09/16/1986
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Application #:
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06604093
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Filing Dt:
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04/26/1984
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Title:
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INTEGRATED DIGITAL NETWORK (IDN)
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Patent #:
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Issue Dt:
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12/02/1986
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Application #:
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06604094
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Filing Dt:
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04/26/1984
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Title:
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PROGRAMMABLE FEATURE CARD
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Patent #:
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Issue Dt:
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02/17/1987
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Application #:
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06604095
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Filing Dt:
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04/26/1984
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Title:
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PCM CHANNEL MULTIPLEXER/DEMULTIPLEXER
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Patent #:
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Issue Dt:
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12/03/1985
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06705394
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Filing Dt:
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02/25/1985
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Title:
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PBX TELEPHONE SYSTEM REMOTE SYNCHRONIZATION
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Patent #:
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Issue Dt:
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06/16/1987
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06926815
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Filing Dt:
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10/31/1986
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Title:
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PBX TELEPHONE SYSTEM I/O INTERFACE
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Patent #:
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Issue Dt:
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Application #:
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UNAVAILABLE
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Application #:
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UNAVAILABLE
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