Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4628393 | Method for switching in a three-phase high voltage circuit | — | 1986-12-09 |
| RE32116 | Electrical vacuum switch having means for generating an axial magnetic field between the contact faces | — | 1986-04-15 |
| 4281231 | High tension vacuum switches | Harry C. W. Gundlach | 1981-07-28 |
| 4271340 | Electrical vacuum switch having means for generating an axial magnetic field between the contact faces | — | 1981-06-02 |