Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5258818 | Photocopier with duplex tray save after jam | Douglas F. Sundquist, Charles E. Smith, Riley L. Warddrip, Thomas Spangenberg | 1993-11-02 |
| 5044619 | Control of pre-ordered stock | Douglas F. Sundquist, Joseph L. Filion, Eugene S. Evanitsky, Charles E. Smith | 1991-09-03 |
| 5036361 | Job requirements calculation and display | Joseph L. Filion, Douglas F. Sundquist, Eugene S. Evanitsky, Riley L. Warddrip | 1991-07-30 |
| 4739366 | Real time diagnostic system for reprographic machines | Charles D. Braswell | 1988-04-19 |