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Overhead door operator
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Patent number 5,918,418
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Issue date Jul 6, 1999
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Doorking, Inc.
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Moscow K. Richmond
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Wall-mounted, telephone system unit
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Patent number D292282
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Issue date Oct 13, 1987
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Richmond; Moscow K.
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Moscow K. Richmond
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D14 - Recording, communication, or information retrieval equipment
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Voice communication system
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Patent number 4,604,501
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Issue date Aug 5, 1986
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Richmond; Moscow K.
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Moscow K. Richmond
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H04 - ELECTRIC COMMUNICATION TECHNIQUE