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Headset/radio auto sensing jack
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Patent number 6,594,366
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Issue date Jul 15, 2003
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Siemens Information and Communication Networks, Inc.
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Joel Adams
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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-
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Telephone
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Patent number D392284
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Issue date Mar 17, 1998
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Siemens Business Communications Systems
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Joel Q. Adams
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D14 - Recording, communication, or information retrieval equipment
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Telephone
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Patent number D389142
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Issue date Jan 13, 1998
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Siemens Business Communication Systems, Inc.
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Joel Q. Adams
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D14 - Recording, communication, or information retrieval equipment
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Option bus
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Patent number 5,631,955
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Issue date May 20, 1997
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Siemens Business Communication Systems, Inc.
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Joel Q. Adams
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H04 - ELECTRIC COMMUNICATION TECHNIQUE