Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6554402 | Ink cartridge with color discrimination structure | R. Winfield Trafton, Scott C. Robinson | 2003-04-29 |
| 6505926 | Ink cartridge with memory chip and method of assembling | R. Winfield Trafton, Scott C. Robinson | 2003-01-14 |