Issued Patents All Time
Showing 51–57 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D581608 | Vacuum cleaner | Denis Dammkoehler | 2008-11-25 |
| D580606 | Sweeping machine | Denis Dammkoehler | 2008-11-11 |
| D580114 | High pressure cleaning device | — | 2008-11-04 |
| D573690 | Spray pistol for use with high pressure cleaning device | Michael Meyer | 2008-07-22 |
| D571512 | High pressure cleaner | Denis Dammkoehler, Tim Storti | 2008-06-17 |
| D570560 | Cleaning apparatus | Denis Dammkoehler | 2008-06-03 |
| D542988 | Cleaning apparatus | Denis Dammkoehler | 2007-05-15 |