Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4457372 | Method of recovering petroleum from underground formations | Alton J. Nute, Charles A. Christopher | 1984-07-03 |
| 4217958 | Sacrificial agents for petroleum recovery processes | Mohan V. Kudchadker | 1980-08-19 |