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20
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05172089
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05172090
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05269047
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05269048
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05318750
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05371510
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05440005
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05459643
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Patent #:
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09/16/1975
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Application #:
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05461427
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Filing Dt:
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04/16/1974
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Title:
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PHASE DEMODULATOR WITH PHASE SHIFTED REFERENCE CARRIER
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Patent #:
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Application #:
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05506833
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05523411
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08/16/1977
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Application #:
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05551079
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Filing Dt:
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02/20/1975
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Title:
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PHASE DEMODULATOR WITH OFFSET FREQUENCY REFERENCE OSCILLATOR
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Patent #:
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Application #:
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05678431
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05856072
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10/19/1982
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Application #:
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06197038
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Filing Dt:
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10/15/1980
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Title:
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FULL DUPLEX COMMUNICATION SYSTEM FOR VOICE GRADE CHANNELS
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Patent #:
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Issue Dt:
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04/12/1983
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Application #:
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06256422
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Filing Dt:
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04/22/1981
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Title:
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COMMUNICATION SYSTEM PROVIDING SIMULTANEOUS TWO-WAY TRANSMISSION
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Patent #:
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Issue Dt:
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12/18/1984
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Application #:
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06476682
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Filing Dt:
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03/18/1983
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Title:
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EQUALIZATION SYSTEM FOR MODEMS IN A POLLED ARRANGEMENT
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Patent #:
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Issue Dt:
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02/25/1986
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Application #:
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06531328
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Filing Dt:
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09/12/1983
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Title:
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VARIABLE DIGITAL FREQUENCY GENERATOR WITH VALUE STORAGE
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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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06535636
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Filing Dt:
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09/26/1983
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Title:
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HIGH SPEED DATA MODEM USING MULTILEVEL ENCODING
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Patent #:
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Issue Dt:
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11/26/1985
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Application #:
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06536140
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Filing Dt:
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09/26/1983
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Title:
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SYNCHRONOUS DIGITAL DEMODULATOR WITH CARRIER ERROR CORRECTION
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