Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5854961 | Electrophotography developer canister with material-moving roller | Mark Wibbels, Richard L. Swantner | 1998-12-29 |
| 5799712 | Toner cartridge toner dam replacement and method therefor | Bob Aaron, Dennis P. Davidson | 1998-09-01 |
| 5392963 | Refurbished toner cartridge | Brian J. Renstrom, K. Trent Christensen | 1995-02-28 |
| 4791438 | Balanced capillary ink jet pen for ink jet printing systems | Gary Hanson, C. S. Chan, Bruce Cowger, James G. Bearss | 1988-12-13 |