Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10507887 | Drive unit for fitting or retrofitting a bicycle | Heinz Georg Russwurm | 2019-12-17 |
| 10239767 | Solar thermal device for the treatment of drinking water | Heinz Georg Russwurm | 2019-03-26 |