Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10343604 | Acoustic warning signal detection for motor vehicles | Volker Haupts | 2019-07-09 |
| 8773136 | Method for evaluating the ability of a battery to start | Birger Fricke, Mark Eifert, Eckhard Karden | 2014-07-08 |