Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6417472 | Vacuum switching chamber having an annular insulator | Roman Renz, Klemens Fieberg | 2002-07-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6417472 | Vacuum switching chamber having an annular insulator | Roman Renz, Klemens Fieberg | 2002-07-09 |