Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5055639 | Contact arrangement for a vacuum switch | Wilhelm Schels, Manfred Niegl | 1991-10-08 |
| 4975552 | Vacuum switch | Manfred Niegl, Wilhelm Schels | 1990-12-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5055639 | Contact arrangement for a vacuum switch | Wilhelm Schels, Manfred Niegl | 1991-10-08 |
| 4975552 | Vacuum switch | Manfred Niegl, Wilhelm Schels | 1990-12-04 |