Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4540863 | Vacuum-switching tube, especially for a low-voltage contactor | Hans Bettge, Ernst-Ludwig Hoene | 1985-09-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4540863 | Vacuum-switching tube, especially for a low-voltage contactor | Hans Bettge, Ernst-Ludwig Hoene | 1985-09-10 |