Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D919207 | Cleaning machine | Denis Dammkoehler | 2021-05-11 |
| D889597 | Spray gun for a cleaning machine | Denis Dammkoehler | 2020-07-07 |
| D815381 | Attachment for a floor cleaning machine | Denis Dammkoehler, Zheyi Jin | 2018-04-10 |