Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4347118 | Solvent extraction process for tar sands | Walter G. May, James C. Pirkle, Jr. | 1982-08-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4347118 | Solvent extraction process for tar sands | Walter G. May, James C. Pirkle, Jr. | 1982-08-31 |