Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5330702 | Process for producing CuCr contact pieces for vacuum switches as well as an appropriate contact piece | Franz Hauner | 1994-07-19 |
| 5315081 | Vacuum switching tube for low-voltage and medium-voltage switches, particularly for vacuum contactors | Werner Hartmann | 1994-05-24 |