Issued Patents 2017
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D803916 | Drilling dust collector | Denis Dammkoehler | 2017-11-28 |
| D802861 | Vacuum cleaners | Denis Dammkoehler | 2017-11-14 |
| D800977 | Vacuum cleaner | Denis Dammkoehler | 2017-10-24 |
| D800978 | Vacuum cleaner | Denis Dammkoehler | 2017-10-24 |
| D797681 | Controller of a vacuum cleaner | Denis Dammkoehler | 2017-09-19 |
| D793635 | Floor cleaning machine | Denis Dammkoehler | 2017-08-01 |
| D785254 | Floor cleaning machine | Denis Dammkoehler | 2017-04-25 |
| D779138 | Machine for cleaning floors | Denis Dammkoehler | 2017-02-14 |