Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8869393 | Contact piece for a vacuum interrupter chamber | Dietmar Gentsch | 2014-10-28 |
| 8302303 | Process for producing a contact piece | Dietmar Gentsch | 2012-11-06 |
| 5222651 | Process for producing a vacuum interrupter chamber | Joseph H. F. G. Lipperts, Wolfgang Diem | 1993-06-29 |
| 4937405 | Vacuum switch chamber | Joseph H. F. G. Lipperts | 1990-06-26 |