Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6554402 | Ink cartridge with color discrimination structure | R. Winfield Trafton, James S. Newkirk | 2003-04-29 |
| 6533169 | Image reproduction apparatus with compact, low-waste digital printer | Xin Wen, Mark S. Janosky | 2003-03-18 |
| 6505926 | Ink cartridge with memory chip and method of assembling | R. Winfield Trafton, James S. Newkirk | 2003-01-14 |