Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7687250 | Ethanol production from biological wastes | Delman R. Hogen, Hugh McTavish, John D. Offerman | 2010-03-30 |
| 7622285 | Ethanol production from biological wastes | John D. Offerman, Delman R. Hogen, Hugh McTavish | 2009-11-24 |
| 7309592 | Ethanol production from biological wastes | John D. Offerman, Delman R. Hogen, Hugh McTavish | 2007-12-18 |