Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4345129 | Electrical switch | Franz Czech, Hans Pfrotzschner | 1982-08-17 |
| 4320337 | Combined current and voltage converter for a compressed-gas insulated metal-enclosed high voltage installation | Hans Hartmann | 1982-03-16 |
| 4316051 | Partition insulator having a predetermined rupture behavior | Georg-Heinz Krieter | 1982-02-16 |