Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5575408 | Image developer material agitation system with non-binding mixing coil agitator | Virginia A. Marqueling, Bruce J. Parks, Darryl L. Pozzanghera, David B. Playfair | 1996-11-19 |
| 5144369 | Developer unit alignment, removal and interchange system | Lawrence R. Benedict | 1992-09-01 |