Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4725408 | Fluid catalytic cracking apparatus | Roy E. Pratt, Scott M. Sayles, Richard P. Scott | 1988-02-16 |
| 4619758 | Fluid catalytic cracking method | Roy E. Pratt, Scott M. Sayles, Richard P. Scott | 1986-10-28 |
| 4388176 | Hydrocarbon conversion process | Roy E. Pratt, Scott M. Sayles, Richard P. Scott | 1983-06-14 |