Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6748836 | Dual sharpener apparatus for maintaining the sharpness of the cutting edge on blades used to cut sheet-type work materials | Joseph R. Vivirito | 2004-06-15 |
| 6732854 | Bristle bed cleaner and method | Tim Vander Vos, Steve Venditti, Joseph R. Vivirito, John Genereux | 2004-05-11 |