Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4471309 | Vacuum detector | William J. Lange, Clive W. Kimblin, Roy E. Voshall, Fred Bould | 1984-09-11 |
| 4403124 | Vacuum circuit interrupter with insulated vacuum monitor resistor | Norman Davies | 1983-09-06 |