Ha; Simon
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ha; Simon.The latest application filed is for "multi-frequency fire alarm sounder".
- Ha; Simon - Aurora IL
- Ha; Simon - Markham Ont CA
| Patent | Date |
|---|---|
| Multi-frequency fire alarm sounder Grant 7,501,935 - Keeler , et al. March 10, 2 | 2009-03-10 |
| Multi-Frequency Fire Alarm Sounder App 20080048841 - Keeler; Manley S. ; et al. | 2008-02-28 |
| Self-adjusting strobe Grant 7,333,004 - Ha , et al. February 19, 2 | 2008-02-19 |
| Model display stand system Grant 7,246,732 - Ha July 24, 2 | 2007-07-24 |
| Multi-frequency fire alarm sounder App 20060139152 - Keeler; Manley S. ; et al. | 2006-06-29 |
| Self-adjusting strobe App 20060044150 - Ha; Simon ; et al. | 2006-03-02 |
| Multi-function control system Grant 6,897,772 - Scheffler , et al. May 24, 2 | 2005-05-24 |
| Variable candela strobe Grant 6,856,241 - Tice , et al. February 15, 2 | 2005-02-15 |
| Processor based strobe with feedback Grant 6,833,783 - Ha , et al. December 21, 2 | 2004-12-21 |
| Processor controlled strobe Grant 6,822,400 - Ha , et al. November 23, 2 | 2004-11-23 |
| Processor based strobe with feedback Grant 6,661,337 - Ha , et al. December 9, 2 | 2003-12-09 |
| Processor based strobe with feedback App 20030218435 - Ha, Simon ; et al. | 2003-11-27 |
| Zone check test system Grant 6,462,655 - Ha October 8, 2 | 2002-10-08 |
| Processor based strobe with feedback App 20020125840 - Ha, Simon ; et al. | 2002-09-12 |
| Multi-mode waterflow detector with electronic timer Grant 6,275,160 - Ha August 14, 2 | 2001-08-14 |
| Alarm systems and devices incorporating current limiting circuit Grant 6,049,446 - Ha , et al. April 11, 2 | 2000-04-11 |
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