Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5222651 | Process for producing a vacuum interrupter chamber | Günter Pilsinger, Joseph H. F. G. Lipperts | 1993-06-29 |
| 4470537 | Solid state bonding of ceramic and metal parts | Gerhard Elssner | 1984-09-11 |