Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6554402 | Ink cartridge with color discrimination structure | James S. Newkirk, Scott C. Robinson | 2003-04-29 |
| 6536888 | Ink cartridge with internal ink bag and method of filling | Kirk D. Farnung, Diana C. Petranek | 2003-03-25 |
| 6505926 | Ink cartridge with memory chip and method of assembling | James S. Newkirk, Scott C. Robinson | 2003-01-14 |