Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7771030 | Ink cartridge with multiple chambers aligned along an axial length | Paul Fishbein, Blair A. Butler, Geoffrey Schmid, Timothy J. Carlin | 2010-08-10 |
| 7278720 | Ink cartridge with multiple chambers aligned along an axial length | Paul Fishbein, Blair A. Butler, Geoffrey Schmid, Timothy J. Carlin | 2007-10-09 |
| 7221889 | Replaceable developer roller | Ziv Gilan, Christopher Sean Tanner, Marco A. Guzman | 2007-05-22 |
| 7192131 | Filter element carrier, filter, ink pen | Jinsong Gao, Blair A. Butler, Jorge Angel Borquez | 2007-03-20 |