Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4593164 | Housing of a vacuum switching tube | Hans Bettge | 1986-06-03 |
| 4516004 | Vacuum switching tube with a helical current path | Peter-Michael Bany, Wolfgang Berger, Hans Bettge, Rafl Rozek, Norbert Steinemer +1 more | 1985-05-07 |
| 4497990 | Vacuum switch tube | Gerhard Peche | 1985-02-05 |
| 4453054 | Contact apparatus for vacuum switches | Gerhard Peche | 1984-06-05 |