Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6626018 | High strength lever handle lock mechanism | David A. Sorensen, Todd Zimmer | 2003-09-30 |
| 6282929 | Multipoint mortise lock | Bryce A. Fleury, Dan S. Leiper, Todd Zimmer | 2001-09-04 |
| 6178794 | Lever handle controller | Richard Huang, Thomas Pelletier | 2001-01-30 |
| 6120071 | Mortise latch vertical rod exit device | Daniel J. Picard | 2000-09-19 |
| 5992195 | Lever handle controller for mortise lock | Richard Huang, Thomas Pelletier | 1999-11-30 |