Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5121704 | Unitary tilting toner/vacuum head for electrostatic printers/plotters | Ronald W. Franck | 1992-06-16 |
| 4500045 | Laterally translatable roll apparatus | Keith E. McFarland, William A. Lloyd, Willard J. Patrick | 1985-02-19 |