Issued Patents 2024
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11946578 | Toothed washer | Josef Brandt, Frank Engelhard, Markus Waschkewitz, Adrian Klehr | 2024-04-02 |
| 11913578 | Connection device for pipes with leakage indicator | Adrian Klehr, Frank Engelhard, Harald Hagen | 2024-02-27 |