Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11428146 | Fixing device for exhaust system component and exhaust system | Anna-Lena Wahl | 2022-08-30 |
| 10060498 | Thrust bearing for a pressurized shock absorber | Waldemar Hermann, Volker Kalkhof | 2018-08-28 |
| 9689521 | Fastening device, hanging device, and method for mounting a hanging device | Volker Kalkhof | 2017-06-27 |