Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4502778 | System for monitoring and controlling electrophotographic toner operation | Thomas Eichhorn, Peter A. Stevenson | 1985-03-05 |
| 4496829 | Bang-bang dual-mode integral controller with proportional control output useful for temperature control | Arthur Black, Larry M. Ernst | 1985-01-29 |
| 4415800 | Method and apparatus for monitoring and controlling heated fusers for copiers | Larry M. Ernst | 1983-11-15 |
| 4322847 | Automatic indirect testing to verify operational control | Larry M. Ernst | 1982-03-30 |