Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6974117 | Proportional valve actuating apparatus | Paul Dzialakiewicz, Peter G. Hutchings | 2005-12-13 |
| 4839481 | Vacuum interrupter | Ernest F. Bestel | 1989-06-13 |
| 4713644 | Vacuum fuse | Eugene C. Fowler | 1987-12-15 |