Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8994945 | Method of treatment analysis with particle imaging | Matthew Duplisea, Corie Drake | 2015-03-31 |
| 4876436 | PTC air heater employing triangular PTC heating elements | Noel L. W. Lawrence, Lee A. Prager | 1989-10-24 |
| 4797534 | PTC thermistor heating device | Lee A. Prager | 1989-01-10 |
| 4717808 | Carburetor deicer | Kenneth M. Cyll | 1988-01-05 |
| 4713524 | PTC fuel heater for heating alcohol fuel | Vincent B. Leo, Kenneth M. Cyll | 1987-12-15 |