Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6902596 | Air flow passage for a vacuum cleaner | Helmut Gerhard Conrad, Ted Szylowiec | 2005-06-07 |
| 6874197 | Apparatus and method for separating particles from a cyclonic fluid flow | Dave Petersen | 2005-04-05 |