Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4519457 | Oil well standing valve | Ronald A. Holland, Harold L. Petrie, John R. Brennan | 1985-05-28 |
| 4504195 | Jet pump for oil wells | Richard H. Binks | 1985-03-12 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4519457 | Oil well standing valve | Ronald A. Holland, Harold L. Petrie, John R. Brennan | 1985-05-28 |
| 4504195 | Jet pump for oil wells | Richard H. Binks | 1985-03-12 |