Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4974034 | Post-collation duplex copying system | Khalid M. Rabb, John W. Daughton, Gary L. Hutchinson | 1990-11-27 |
| 4603971 | Finisher mode switching | Robert L. Sklut, John F. Gauronski | 1986-08-05 |
| 4411515 | Very high speed duplicator with limitless finishing function | Frank R. Hynes, Hugh L. Jones, David Thompson | 1983-10-25 |
| 4358197 | Very high speed duplicator with limitless finishing function | Frank R. Hynes, Hugh L. Jones, David Thompson | 1982-11-09 |
| 4335949 | Reproduction machine with recirculating document handler diagnostics | John W. Daughton | 1982-06-22 |