Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8056834 | Adjustable nozzle for pressure washer | Michael R. Gardner, Jesse J. Jerabek, Klaus Karl Hahn | 2011-11-15 |
| 7891036 | Multi-function power washer | Klaus Karl Hahn, Thomas Ray Ayers | 2011-02-22 |