Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6481255 | High security side bar lock | Charles Eden | 2002-11-19 |
| 6119496 | Keys for high security cylinder lock systems | — | 2000-09-19 |
| 5823029 | Cylinder lock system | Charles Eden | 1998-10-20 |
| 5823030 | Cylinder lock system | Charles Eden | 1998-10-20 |
| 5564296 | Leverset conversion apparatus | William J. Rochette, Thomas Hennessy | 1996-10-15 |
| 5010754 | Lock actuator with removable operator | Nelson J. De Angelo | 1991-04-30 |
| 4672828 | Key-in-knob cylinder replacement system | — | 1987-06-16 |