Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6140810 | Fiber-optic voltage sensor for outdoor high-voltage installations | Klaus Bohnert, Hubert Brandle, Philippe Gabus, Jadran Kostovic | 2000-10-31 |
| 5814782 | Rower circuit-breaker having a closing resistor | Roger Muller | 1998-09-29 |
| 4670632 | High-voltage switch with a closing resistor | Walter Bischofberger, Heinz Eichholzer, Werner Graber, Edgar Hochspach, Werner Luthi | 1987-06-02 |
| 4636599 | High-voltage switch | Walter Bischofberger, Heinz Eicholzer | 1987-01-13 |
| 4608470 | High-voltage switch | Walter Bischofberger, Heinz Eichholzer, Werner Graber | 1986-08-26 |