Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4279402 | Explosion barring shutoff device | Hans Sidler, Hans Stalder | 1981-07-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4279402 | Explosion barring shutoff device | Hans Sidler, Hans Stalder | 1981-07-21 |