Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6578416 | Fuel system | John A. Sturm, Andrew M. Matulek, Clayton R. Mason, William C. Wolffe | 2003-06-17 |
| 6136194 | Method and device for treating wastewater | Surya Raja Pidaparti | 2000-10-24 |
| 5861095 | Method and device for treating wastewater | Surya Raja Pidaparti | 1999-01-19 |