Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4771620 | Locking device for a mechanical-electronic locking apparatus | — | 1988-09-20 |
| 4761976 | Lock cylinder with integrated electromagnetic locking mechanism | — | 1988-08-09 |
| 4730471 | Apparatus for electromagnetic locking on a lock cylinder for a mechanical/electronic locking system | Erich Seckinger | 1988-03-15 |
| 4603564 | Lock cylinder with integrated electromagnetic locking system | Walter Gutmann | 1986-08-05 |