Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11676784 | Vacuum interrupter | Lydia Baron, Frank Graskowski, Christian Stiehler, Andreas Lawall, Klaus Schachtschneider | 2023-06-13 |
| 10418211 | Switching contact of a vacuum interrupter comprising supporting bodies | Lydia Baron, Frank Graskowski, Andreas Lawall, Ulf Schuemann | 2019-09-17 |
| 5268544 | Vacuum relay with a contact unit located in a vacuum | Wolfgang Guenther, Ralf-Reiner Volkmar | 1993-12-07 |
| 4439799 | Apparatus for reproducing information recorded in a plurality of adjacent tracks | Peter Haubrich, Abraham Hoogendoorn | 1984-03-27 |