Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4670632 | High-voltage switch with a closing resistor | Walter Bischofberger, Werner Graber, Jiri Talir, Edgar Hochspach, Werner Luthi | 1987-06-02 |
| 4608470 | High-voltage switch | Walter Bischofberger, Werner Graber, Jiri Talir | 1986-08-26 |