Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5943732 | Door valve for utility vacuum cleaners | Nick M. Bosyj, Donald R. Bowers, Nicholas Koukourakis, Richard A. Wareham, Darwin S. Crouser | 1999-08-31 |
| 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 |
| 5455983 | Wet/dry utility vacuum cleaner | Darwin S. Crouser, Nick M. Bosyj, Donald R. Bowers, Nicholas Koukourakis, Richard A. Wareham | 1995-10-10 |
| 5388301 | Rim seal for vacuum cleaner having dual storage tanks | Nick M. Bosyj, Donald R. Bowers, Nicholas Koukourakis | 1995-02-14 |