Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6574864 | Method for manufacturing a contact arrangement for a vacuum switching tube | Johannes Meissner, Gerhard Rossmann, Jerrie Lipperts | 2003-06-10 |
| 6524525 | Method for producing a contact material for contact pieces for vacuum switch devices, and a contact material and contact pieces therefor | Franz Hauner, Susett Rolle | 2003-02-25 |