Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4852671 | Diamond cutting element | — | 1989-08-01 |
| 4794995 | Orientable fluid nozzle for drill bits | Lawrence W. Matson, Roy Tilford Jackson | 1989-01-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4852671 | Diamond cutting element | — | 1989-08-01 |
| 4794995 | Orientable fluid nozzle for drill bits | Lawrence W. Matson, Roy Tilford Jackson | 1989-01-03 |