Sonic building rescue beacon
CHIDAKEL DAVID WELFORD, GROVES, JR. WILLIAM HARRIS, BODUCH PAUL A, BEACH MICHAEL ELLSWORTH
Year of Publication 23.11.2010
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Year of Publication 23.11.2010
Patent
Sonic building rescue beacon
Chidakel, David Welford, Groves, Jr, William Harris, Boduch, Paul A, Beach, Michael Ellsworth
Year of Publication 23.11.2010
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Year of Publication 23.11.2010
Patent
Sonic Building Rescue Beacon
CHIDAKEL DAVID WELFORD, GROVES WILLIAM HARRIS, BODUCH PAUL A, BEACH MICHAEL ELLSWORTH
Year of Publication 01.05.2008
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Year of Publication 01.05.2008
Patent
Versatile Network of Building Alarm Modules
CHIDAKEL DAVID WELFORD, GROVES WILLIAM HARRIS, BODUCH PAUL A, BEACH MICHAEL ELLSWORTH
Year of Publication 06.03.2008
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Year of Publication 06.03.2008
Patent