Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4362914 | Electrical switch apparatus | Erich Adolph, Unal Bayrak, Robert Prohl | 1982-12-07 |
| 4316137 | Completely insulated, metal-encapsulated electrical switching section | Manfred Osterloh, Otto Putz | 1982-02-16 |
| 4316138 | Electric switching section | Erich Adolph, Unal Bayrak | 1982-02-16 |