Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6574864 | Method for manufacturing a contact arrangement for a vacuum switching tube | Johannes Meissner, Gerhard Rossmann, Alfredo Lietz | 2003-06-10 |
| 6476366 | Device for degassing and brazing preassembled vacuum interrupters using inductive heating | — | 2002-11-05 |