Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5120918 | Vacuum circuit interrupter contacts and shields | Robert L. Thomas, Natraj C. Iyer | 1992-06-09 |
| 4847456 | Vacuum circuit interrupter with axial magnetic arc transfer mechanism | Paul O. Wayland | 1989-07-11 |