Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4348058 | Method and apparatus for slurry borehole mining | John E. Coakley | 1982-09-07 |
| 4344491 | Apparatus for actuating downhole flow control valves | John E. Coakley | 1982-08-17 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4348058 | Method and apparatus for slurry borehole mining | John E. Coakley | 1982-09-07 |
| 4344491 | Apparatus for actuating downhole flow control valves | John E. Coakley | 1982-08-17 |