Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6818032 | Dirt collecting system for a vacuum cleaner | Greg A. Bilek, Steven W. Blate, Nick M. Bosyj, Arne J. Diehl, Kurt D. Harsh +2 more | 2004-11-16 |
| 6681442 | Apparatus and method for cleaning a surface | Robert W. Bauman, Michael A. Durbin, Evan A. Gordon, Adam C. Sclafani, Aaron P. Tondra +1 more | 2004-01-27 |