Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4598653 | Combustion system for burning fuel having various particle sizes | Thomas E. Stringfellow | 1986-07-08 |
| 4565139 | Method and apparatus for obtaining energy | Thomas E. Stringfellow | 1986-01-21 |
| 4423702 | Method for desulfurization, denitrifaction, and oxidation of carbonaceous fuels | Robert A. Ashworth, Antonio A. Padilla, Larry A. Rodriguez, Ned B. Spake | 1984-01-03 |