Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10695769 | Apparatus, system and method for providing a bitumen-rich stream from bitumen-containing materials | Stephen Woodson Craig, David Woodson Craig, Randell Gween Shelton, Jr. | 2020-06-30 |
| 10619104 | Apparatus, system and method for providing a bitumen-rich stream from bitumen-containing materials | Stephen Woodson Craig, David Woodson Craig, Randell Gween Shelton, Jr. | 2020-04-14 |