Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5797078 | Photoreceptor comet prevention brush | Douglas W. Sass, Ronald E. Godlove | 1998-08-18 |
| 5175591 | Cleaning device including abrading cleaning brush for comet control | John J. Kopko | 1992-12-29 |
SD
Stephen T. Dunn
Overall (All Time): #2,263,487 of 4,157,543Top 55%
2
Patents All Time