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Supplemental alert generation device |
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2015-11-17 |
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Speaker enclosure design for efficiently generating an audible alert signal |
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2014-09-30 |
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System and method for efficiently generating audible alarms |
Landgrave T. Smith, David E. Albert |
2014-06-10 |
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Supplemental alert generation device with speaker enclosure assembly |
David E. Albert, Landgrave T. Smith |
2013-10-15 |
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Speaker enclosure design for efficiently generating an audible alert signal |
Landgrave T. Smith, David E. Albert |
2013-09-03 |
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Signal processing system and methods for reliably detecting audible alarms |
Leslies D. Hoy, David E. Albert, Landgrave T. Smith |
2012-09-18 |
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Supplemental alert generation device for retrofit applications |
David E. Albert, Landgrave T. Smith |
2012-08-14 |
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Supplemental alert generation device |
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2012-08-07 |
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Acoustic alert communication system with enhanced signal to noise capabilities |
David E. Albert, Leslie D. Hoy |
2007-01-30 |
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Non-slip rate-plated sta-bar bushing |
Richard Novy, Robert Missig, Robert Ferguson, Andrew Franzen |
2006-10-03 |
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Non-slip sta-bar bushing |
Richard Novy, Robert Missig |
2004-06-29 |