Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11258121 | Metal/air cell in button cell form and production method | Cornelia Wiedemann, Wolfgang Thorwart, Stefan Senz, Stephan Frosch | 2022-02-22 |
| 6471614 | Gear drive, especially planetary gear drive, with pressure equalization | Bernd Cihlar | 2002-10-29 |