Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4366863 | Enhanced oil recovery operations | Robert Frick, Ralph J. Korstad | 1983-01-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4366863 | Enhanced oil recovery operations | Robert Frick, Ralph J. Korstad | 1983-01-04 |