Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9866501 | Virtual switch enabling communication between external objects and simulation objects | Randall Richardson, Llewellyn John Knox-Davies, Leonard Beller | 2018-01-09 |
| 6331436 | Tracers for heavy oil | William C. Richardson | 2001-12-18 |
| 5685371 | Hydrocarbon-assisted thermal recovery method | William C. Richardson, Donald S. Mims, Arthur Ruch Deemer | 1997-11-11 |