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Horn/strobe alarm
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Patent number D513199
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Issue date Dec 27, 2005
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Edwards Systems Technology
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Hilario S. Costa
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D10 - Measuring, testing, or signalling instruments
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Ambient condition detector
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Patent number D493376
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Issue date Jul 27, 2004
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Edwards Systems Technology, Inc.
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Robert Right
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D10 - Measuring, testing, or signalling instruments
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Wall speaker strobe
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Patent number D489353
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Issue date May 4, 2004
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Edwards Systems Technology
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Robert Right
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D14 - Recording, communication, or information retrieval equipment
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Ceiling speaker
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Patent number D474173
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Issue date May 6, 2003
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Edwards Systems Technology, Inc.
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Robert W. Right
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D14 - Recording, communication, or information retrieval equipment
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Ceiling speaker with strobe
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Patent number D474174
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Issue date May 6, 2003
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Edwards Systems Technology, Inc.
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Robert W. Right
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D14 - Recording, communication, or information retrieval equipment
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Wall speaker strobe
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Patent number D472887
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Issue date Apr 8, 2003
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Edwards Systems Technology
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Robert Right
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D14 - Recording, communication, or information retrieval equipment
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Electronic alarm horn
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Patent number 4,929,924
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Issue date May 29, 1990
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General Signal Corporation
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William P. Buyak
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G08 - SIGNALLING
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Alarm console controls
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Patent number 4,571,586
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Issue date Feb 18, 1986
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General Signal Corporation
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Robert W. Right
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G08 - SIGNALLING
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Console priority control
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Patent number 4,513,284
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Issue date Apr 23, 1985
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General Signal Corporation
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Robert W. Right
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G08 - SIGNALLING