Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6105954 | Sheet feeder for digitizing scanner | Richard A. Loder | 2000-08-22 |
| 6023348 | Rotary image scanner capable of mounting drums of various diameters | Thomas W. Bosse, Richard F. Lehman, Calvin M. Winey | 2000-02-08 |
| 5515182 | Rotary scanner | Richard F. Lehman, Richard A. Williams, Robert C. Howard, Michael Varanka | 1996-05-07 |
| 5367769 | Method of manufacturing a rotary scanning drum | Ronald L. Searcy, Calvin M. Winey | 1994-11-29 |
| 4870430 | Solid ink delivery system | Robert Daggett, Richard R. Helinski, Robert C. Howard | 1989-09-26 |