Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5673907 | Misfeed detector for multi tray sheet feeders | William D. Bartron, Keith Norman Johnson | 1997-10-07 |
| 5503382 | Misfeed detector for multi-tray and intermediate tray sheet feeders | Paul Hansen, Sheldon F. Raizes, William D. Barton, Keith Norman Johnson | 1996-04-02 |