Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8217974 | Customer replaceable unit with high voltage power supply | — | 2012-07-10 |
| 7667724 | Customer replaceable unit with high voltage power supply | — | 2010-02-23 |
| 7653570 | Systems and methods for intelligent communicating storage of condition monitorable replaceable components | — | 2010-01-26 |
| 7231153 | Systems and methods for monitoring replaceable units | — | 2007-06-12 |
| 5543177 | Marking materials containing retroreflecting fillers | Jan D. Morrison, Edward F. Grabowski, Virginia E. Dotschkal, Anita P. Lynch | 1996-08-06 |
| 5061969 | Hybrid development scheme for trilevel xerography | Delmer G. Parker, William Maxwell Allen, Jr. | 1991-10-29 |
| 5049949 | Extension of tri-level xerography to black plus 2 colors | Delmer G. Parker | 1991-09-17 |
| 4998139 | Adaptive bias control for tri-level xerography | Delmer G. Parker, Howard M. Stark | 1991-03-05 |
| 4990955 | White level stabilization for tri-level imaging | Delmer G. Parker, Howard M. Stark | 1991-02-05 |
| 4847655 | Highlight color imaging apparatus | Delmer G. Parker, William Maxwell Allen, Jr. | 1989-07-11 |
| 4811046 | Tri-level highlight color printing apparatus with cycle-up and cycle-down control | — | 1989-03-07 |
| 4761672 | Ramped developer biases | Delmer G. Parker, William Maxwell Allen, Jr. | 1988-08-02 |
| 4533979 | Full-frame flash illumination system | James D. Rees, Robert W. Gundlach | 1985-08-06 |