Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4788852 | Metering choke | Wallace W. Martin, Toshimasa Tomoda, Shinji Badono | 1988-12-06 |
| 4217956 | Method of in-situ recovery of viscous oils or bitumen utilizing a thermal recovery fluid and carbon dioxide | Michael Goss | 1980-08-19 |