Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9023425 | Fluid bed reactor | E. Wayne Osborne, Michael V. Spangler, Levi C. Allen, Robert J. Geertsen, Walter J. Stupin +1 more | 2015-05-05 |
| 8075692 | Fluid bed reactor | E. Wayne Osborne, Michael V. Spangler, Levi C. Allen, Robert J. Geertsen, Walter J. Stupin +1 more | 2011-12-13 |