Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8596330 | Low cost garage door lock | Scott B. Lowder, Paul Marquis | 2013-12-03 |
| D568717 | Keypad escutcheon | Anthony Longo, James E. Robida, Joseph Toro, Frank Czerwinski, Brian R. Fournier +1 more | 2008-05-13 |
| D545172 | Keypad escutcheon | David W. Kaiser, Paul Nunez, Kevin A. Polak | 2007-06-26 |
| 7032418 | Vertical door locking system | Dale D. Martin, Gurdev Bains, John Hayde, Shilin Yang, Herb Guck +5 more | 2006-04-25 |
| 6398274 | Retracting spindle for mortise lock | Richard Huang | 2002-06-04 |
| 6101856 | Free-wheeling lever handle lock mechanism | Thomas Pelletier, David A. Sorensen | 2000-08-15 |
| 5694798 | Motorized lock actuators | Paul Nunez, David A. Sorensen, Arnon Alexander, Mohammed Aleemul Haq | 1997-12-09 |
| 4944066 | Adjustable closer arm | Zakhary Fayngersh, Richard W. Schumacher | 1990-07-31 |
| 4875722 | Exit device actuator and dogger | Theodore H. Miller | 1989-10-24 |
| 4631528 | Push bar exit device with alarm | Martin G. Handel, James E. Robida | 1986-12-23 |
| 4394421 | Thread forming of sintered porous metal shapes | William J. Chmura | 1983-07-19 |