Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D452133 | Profiled closed disc for securing to a cylinder lock | — | 2001-12-18 |
| 6155090 | Cylinder lock | — | 2000-12-05 |
| D398153 | Profiled open disc for securing to a cylinder lock | — | 1998-09-15 |
| 4507944 | Cylinder lock combination, a lock cylinder and a key for such a combination | Bo Widen | 1985-04-02 |