Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4527215 | Valve type voltage arrester device | — | 1985-07-02 |
| 4328430 | Apparatus for actuating electrical load-separating switches in an electricity supply network | Arnold Efinger, Erwin Moser | 1982-05-04 |