Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4687701 | Heat sensitive inked element for high speed thermal printers | Franco Knirsch | 1987-08-18 |
| 4536776 | Ink-jet printing device | Franco Knirsch, Gian D. Dagna, Mario Buat | 1985-08-20 |
| 4465389 | Thermosensitive inked element for non-impact printers | Franco Knirsch | 1984-08-14 |