Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6467869 | Economical ink cartridge identification | Eric A. Merz, Richard E. Butts | 2002-10-22 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6467869 | Economical ink cartridge identification | Eric A. Merz, Richard E. Butts | 2002-10-22 |