Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4806033 | Ribbon cartridge for printing machines | Boris Ukmar | 1989-02-21 |
| 4789256 | Ribbon cartridge for printing machines | Boris Ukmar | 1988-12-06 |
| 4669902 | Multitrack ribbon cartridge for printing machines | Boris Ukmar | 1987-06-02 |