Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4492837 | Guide means for the movable contact rod of a vacuum interrupter | Joseph C. Sofianek | 1985-01-08 |
| 4351992 | High-potential testing of vacuum-type circuit interrupters | — | 1982-09-28 |