Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880947 | Vacuum interrupter with simplified enclosure and method of assembly | Maurice G. Fey, William J. Lange, Carl B. Freidhoff | 1989-11-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880947 | Vacuum interrupter with simplified enclosure and method of assembly | Maurice G. Fey, William J. Lange, Carl B. Freidhoff | 1989-11-14 |