Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6884400 | Reaction and regeneration system | Kyle P. Austin, James A. Szczurek, Larry D. Richardson, Charles T. Ressl, Michael J. Vetter +3 more | 2005-04-26 |
| 5500110 | Method for changing particulate transport rates between zones | Paul A. Sechrist, Roger R. Lawrence, Frank T. Micklich, Larry D. Richardson | 1996-03-19 |