Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5143598 | Methods of tar sand bitumen recovery | Robert J. Graham, John J. Helstrom, Lawrence B. Peck, Richard A. Stone | 1992-09-01 |
| 4670473 | Syn gas conversion | Robert H. Walker, David Aaron Palmer, Donna M. Salvatore | 1987-06-02 |
| 4350742 | Method to adhere acrylic films to styrenic polymers | Richard A. Hall | 1982-09-21 |