Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5105833 | Device for perforating ventilation holes in cigarettes or similar | Riccardo Mattei, Armando Neri, Maichi Cantello | 1992-04-21 |
| 4720619 | Device for piercing holes in rod-shaped items | Riccardo Mattei, Armando Neri, Maichi Cantello | 1988-01-19 |
| 4660578 | Piercing device for piercing ventilating holes in cigarettes or similar smoking commodities | Riccardo Mattei, Armando Neri, Maichi Cantello | 1987-04-28 |
| 4633891 | Piercing device for piercing ventilating holes in cigarettes or similar smoking commodities | Riccardo Mattei, Armando Neri, Maichi Cantello | 1987-01-06 |
| 4585919 | Piercing device for piercing ventilating holes in cigarettes or similar smoking commodities | Riccardo Mattei, Armando Neri, Maichi Cantello | 1986-04-29 |