Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5265864 | Inverter with a friction/corrugating driver | Donald R. Fess, Gary L. Dent, Sr., H. William Gray | 1993-11-30 |
| 5201425 | Sheet tray with an energy absorbing backstop and scuffer mechanism | Thomas Rathbun, Stephen A. Demchock | 1993-04-13 |