Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6498315 | High-voltage switching device having at least two-series-connected vacuum interrupters, and a method for operation of the high-voltage switching device | Thomas Betz, Ralf Heinemeyer | 2002-12-24 |