Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4549935 | Conditioning drum for a tar sands hot water extraction process | — | 1985-10-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4549935 | Conditioning drum for a tar sands hot water extraction process | — | 1985-10-29 |