Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10570331 | Crude oil recovery chemical fluid | John Edmond Southwell, Satoru Murakami | 2020-02-25 |
| 10563117 | Crude oil recovery chemical fluids | John Edmond Southwell, Satoru Murakami | 2020-02-18 |