Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5247328 | Method and apparatus for charging a photoconductive surface to a uniform potential | Clive R. Daunton, Ravi Sampath | 1993-09-21 |
| 5175591 | Cleaning device including abrading cleaning brush for comet control | Stephen T. Dunn | 1992-12-29 |
| 5078086 | Developer unit having an indexable magnet | Joseph A. Seyfried | 1992-01-07 |
| 4544618 | Development process utilizing conductive materials | — | 1985-10-01 |
| 4537495 | Multispeed development system | — | 1985-08-27 |
| 4499851 | Self-spaced development system | Dan A. Hays | 1985-02-19 |
| 4398496 | Multi-roll development system | — | 1983-08-16 |