Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4667609 | Apparatus and method for treatment of soil contaminated with hydrocarbons | Robert P. Hardison | 1987-05-26 |
| 4517448 | Infrared furnace with atmosphere control capability | Carson T. Richert | 1985-05-14 |
| 4460821 | Infrared furnace with muffle | Robert P. Hardison | 1984-07-17 |
| 4406944 | Devices for mounting infrared lamps in furnaces | Robert P. Hardison | 1983-09-27 |