Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6652085 | Enhancement of waterfastness using a polyamine/anionic dye mixture with an acidic fixer | — | 2003-11-25 |
| 6643220 | Vapor handling in printing | Richard B. Anderson | 2003-11-04 |
| 6503978 | Enhancement of ink jet image waterfastness with overprinting | Howard Doumaux | 2003-01-07 |