Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10435917 | Door lock with integrated door position sensor | Victor Bogdanov, Wai P. Wong | 2019-10-08 |
| 9816291 | Exit push rail monitoring system with hall effect sensor | Wai P. Wong, Arthur Limoncelli, David C. DeBiase, Eugene W. Lawrence, III, John E. Walsh +1 more | 2017-11-14 |
| D609994 | Companion escutcheons with touch pads | Matthew R. Bullard, Brian R. Fournier | 2010-02-16 |
| D602762 | Companion escutcheons | Christopher T. Flaherty, David W. Kaiser, Richard M. O'Grady | 2009-10-27 |
| D601001 | Companion escutcheons | Christopher T. Flaherty, David W. Kaiser, Richard M. O'Grady | 2009-09-29 |
| D601002 | Companion escutcheons | Christopher T. Flaherty, David W. Kaiser, Richard M. O'Grady | 2009-09-29 |
| D601003 | Companion escutcheons | Christopher T. Flaherty, David W. Kaiser, Richard M. O'Grady | 2009-09-29 |
| D599189 | Companion escutcheons with touch pads | Matthew R. Bullard, Brian R. Fournier | 2009-09-01 |
| D597821 | Companion escutcheons | Christopher T. Flaherty, David W. Kaiser, Richard M. O'Grady | 2009-08-11 |
| D545172 | Keypad escutcheon | David W. Kaiser, Ronald S. Slusarski, Kevin A. Polak | 2007-06-26 |
| 6851291 | Motorized locking mechanism | — | 2005-02-08 |
| 6669249 | Lever handle support mechanism | Richard Huang | 2003-12-30 |
| D474103 | Low profile keypad escutcheon | David W. Kaiser, Joe Toro | 2003-05-06 |
| D470033 | Low profile keypad escutcheon | Bryce A. Fleury, David W. Kaiser, Joe Toro | 2003-02-11 |
| 5715715 | Lock assembly with motorized power screw | — | 1998-02-10 |
| 5694798 | Motorized lock actuators | David A. Sorensen, Ronald S. Slusarski, Arnon Alexander, Mohammed Aleemul Haq | 1997-12-09 |