Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11018539 | Electric machine with helical cooling channels | Holger Fröhlich, Sönke Gürtler | 2021-05-25 |
| 10186936 | Electric machine with a baffle | Holger Fröhlich, Robert Krause, Arnoud Smit | 2019-01-22 |
| D291339 | Skid mounted punching bag | — | 1987-08-11 |