Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6258332 | Apparatus and method for collecting and recycling a petroleum by-product | George W. Johnson | 2001-07-10 |
| 6168708 | Method for recovery and recycling of hydrocarbon residue | Carol S. Burbridge, George W. Johnson, Gary Tietavainen | 2001-01-02 |
| 5801159 | Method and composition for inhibiting cellular irreversible changes due to stress | Guy M. Miller, Lillian Lien-Li Lou | 1998-09-01 |