Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6427637 | Steam generator with at least partially double-walled evaporation tank | — | 2002-08-06 |
| 5184101 | Undervoltage tripping device | Peter Ruedi, Herbert Wirth | 1993-02-02 |
| 5172294 | Protection switch | Josef Flory | 1992-12-15 |
| 4570142 | Pushbutton-actuated excess-current switch | Remy Ledergerber | 1986-02-11 |