Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5713284 | Anti-ghosting roller | Frederick A. Voeltner | 1998-02-03 |
| 5632203 | Anti-ghosting roller | Frederick A. Voeltner | 1997-05-27 |
| 4494859 | Modular reader/printer developer apparatus | Ronald J. Frias, David Jagielski | 1985-01-22 |