Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5119654 | Cylinder locks having removable lock barrels | Daniel Ceron | 1992-06-09 |
| 4976123 | Locks having removable barrels and control tumblers therefor | Daniel Ceron, Paul Hano, Jose Erard | 1990-12-11 |