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Ceiling loudspeaker system
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Patent number 8,631,897
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Issue date Jan 21, 2014
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RGB Systems, Inc.
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William Cameron Stewart
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Tablet housing
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Patent number D680526
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Issue date Apr 23, 2013
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RGB Systems, Inc.
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Weldon Gammon
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D14 - Recording, communication, or information retrieval equipment
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Ceiling loudspeaker system
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Patent number 8,403,107
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Issue date Mar 26, 2013
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RGB Systems, Inc.
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William Cameron Stewart
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Ceiling loudspeaker system
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Patent number 8,286,749
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Issue date Oct 16, 2012
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RGB Systems, Inc.
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William Cameron Stewart, Jr.
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H04 - ELECTRIC COMMUNICATION TECHNIQUE