Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6666552 | Diaphragm/check valve used in inkjet cassette to air removal for extended life storage | Stephen A. Anderson, William A. Putman | 2003-12-23 |
| 6585361 | Multiple-chamber cartridge with varying porous member compression | — | 2003-07-01 |