Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4843196 | Mode switching device for an electrical switch | Josef Bissig | 1989-06-27 |
| 4816798 | Electrical protection switch | Willy Feller, Hans Luethy | 1989-03-28 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4843196 | Mode switching device for an electrical switch | Josef Bissig | 1989-06-27 |
| 4816798 | Electrical protection switch | Willy Feller, Hans Luethy | 1989-03-28 |