Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878977 | Process for manufacturing systematic color tables or color charts for seven-color printing, and tables or charts produced by this process | — | 1989-11-07 |
| 4812899 | Printing process where each incremental area is divided into a chromatic area and an achromatic area and wherein the achromatic areas are printed in black and white and the chromatic areas are printed in color sub-sections | — | 1989-03-14 |