Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4487043 | Permutation lock | — | 1984-12-11 |
| 4385509 | Permutation lock | Rudi H. Duringer | 1983-05-31 |
| 4279136 | Combination lock for suitcases, bags or the like | — | 1981-07-21 |
| 4267716 | Combination lock for baggage | — | 1981-05-19 |