Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5644815 | Sliding door valve for utility vacuum cleaner | Nick M. Bosyj, Donald R. Bowers, Nicholas Koukourakis, Richard A. Wareham | 1997-07-08 |
| 5608945 | Wet/dry utility vacuum cleaner | Darwin S. Crouser, Nick M. Bosyj, Donald R. Bowers, Nicholas Koukourakis, Richard A. Wareham | 1997-03-11 |