Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5192149 | Cassette for typing ribbon for typewriters | — | 1993-03-09 |
| 5085531 | Cassette for a printing ribbon for typewriters | — | 1992-02-04 |
| 5056944 | Paper pressing arrangement for typewriters | — | 1991-10-15 |
| 5034573 | Contact-type keyboard | Gianpaolo Bonmassari | 1991-07-23 |
| 4806030 | Correction device for typewriters | Giovanni Quaranti, Gianpaolo Bonmassari | 1989-02-21 |