Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4747711 | Cartridge for an inked ribbon with a re-inking device | Carlo Motta, Aldo Ricca, Walter Trimboli | 1988-05-31 |
| 4741639 | Cartridge for an inked ribbon with a re-inking pad | Walter Trimboli | 1988-05-03 |