Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5475800 | Color separation in color graphics printing with limited memory | John R. Matthews | 1995-12-12 |
| 5168552 | Color separation in ink jet color graphics printing | John R. Matthews | 1992-12-01 |