Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6485066 | Exit alarm lock deadbolt having guide supports | Eugene Karl Siller | 2002-11-26 |
| 6409232 | Exit alarm lock assembly with push pad pivotally interconnected to deadbolt | Eugene Karl Siller | 2002-06-25 |
| 6304177 | Switching assembly for an exit alarm lock | William P. Dye, Eugene Karl Siller | 2001-10-16 |
| D434339 | Cover for an exit alarm lock | Gene K. Siller | 2000-11-28 |
| D425810 | Exit alarm lock | Gene K. Siller | 2000-05-30 |
| 5664816 | Lever handle assembly with field adjustable tailpiece and lever handing | Theodore J. Fritsch | 1997-09-09 |
| 5658026 | Door handle locking mechanism with dual function springs | Theodore J. Fritsch | 1997-08-19 |