Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10982233 | Method of processing organic matter | John William Logan, Richard L Vetter, Eric Francis Shafer | 2021-04-20 |
| 7785467 | Method, composition and apparatus for high temperature production of methane from poultry waste | John William Logan, Bill Henry Johnson, Richard L Vetter, Clarence Monte Howard | 2010-08-31 |