Patents per Year
Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6953491 | Exhaust fan for removing airborne materials | — | 2005-10-11 |
| 6599341 | Exhaust fan for removing airborne materials | — | 2003-07-29 |
| 6440190 | Portable exhaust fan for removing airborne hazardous materials | — | 2002-08-27 |