Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8945350 | Induction heated screw | James E. Bratina, Perry Eyster, Thomas Edward Roberts | 2015-02-03 |
| 8945351 | Induction heated gasifier | James E. Bratina, Anthony J. Kriech, Perry Eyster, Thomas Edward Roberts | 2015-02-03 |