Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5099093 | Vacuum switching chamber | Karl W. Schels | 1992-03-24 |
| 5055639 | Contact arrangement for a vacuum switch | Wilhelm Schels, Rainer Behrend | 1991-10-08 |
| 4975552 | Vacuum switch | Wilhelm Schels, Rainer Behrend | 1990-12-04 |