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Telephone answering device
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Patent number D289155
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Issue date Apr 7, 1987
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AT&T Information Systems
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Richard R. Brooks
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D14 - Recording, communication, or information retrieval equipment
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Telephone base
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Patent number D278056
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Issue date Mar 19, 1985
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AT&T Bell Laboratories
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Donald M. Genaro
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D14 - Recording, communication, or information retrieval equipment
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Telephone base with extender
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Patent number D277665
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Issue date Feb 19, 1985
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AT&T Bell Laboratories
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Donald M. Genaro
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D14 - Recording, communication, or information retrieval equipment
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Housing for a telephone
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Patent number D276046
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Issue date Oct 23, 1984
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AT&T Bell Laboratories
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Donald M. Genaro
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D14 - Recording, communication, or information retrieval equipment