Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8002395 | Ink recirculation system | Jeffrey D Langford | 2011-08-23 |
| 7628475 | Printhead evacuation mechanism and method | Jeffrey D Langford, Ross E. Friesen, Harold F Mantooth, Donald L. Michael | 2009-12-08 |
| 7556367 | Ink delivery system and a method for replacing ink | Jeffrey D Langford, Harold F Mantooth | 2009-07-07 |
| 7416293 | Ink recirculation system | Jeffrey D Langford, Donald L. Michael, Kris M. English | 2008-08-26 |
| 7331664 | Ink delivery system and a method for replacing ink | Jeffrey D Langford, Harold F Mantooth | 2008-02-19 |
| 7296881 | Printhead de-priming | Jeffrey D Langford, Ross E. Friesen, Harold F Mantooth, Donald L. Michael | 2007-11-20 |
| 6273560 | Print cartridge coupling and reservoir assembly for use in an inkjet printing system with an off-axis ink supply | Brian J. Keefe, Norman E. Pawlowski, Jr., Michael E. Peterschmidt, Winthrop D. Childers, James P. Kearns +1 more | 2001-08-14 |
| 6188417 | Fluidic adapter for use with an inkjet print cartridge having an internal pressure regulator | Brian J. Keefe, Norman E. Pawlowski, Jr., Michael E. Peterschmidt, Winthrop D. Childers | 2001-02-13 |