Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4556767 | Gas-blast circuit breaker | Walter Egli, Klaus Ragaller, Ekkehard Schade | 1985-12-03 |
| 4360207 | Heater for sliding seal structure | Adelbert Rappange, Robert Richard | 1982-11-23 |