Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6591644 | Ball bearing cylinder plug and key retention | Alan Doerr, Pete Kajuch | 2003-07-15 |
| 6553800 | Side bar plunger and solenoid cylinder locking mechanism | Alan Doerr, Pete Kajuch | 2003-04-29 |
| 5765412 | Multiple backset lock | Jaime Galindo | 1998-06-16 |