Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887668 | Cutting tool for cutting well casing | James PRICE | 1989-12-19 |
| 4796709 | Milling tool for cutting well casing | Kenneth W. Winterrowd, Harold H. Harvey, Jr. | 1989-01-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887668 | Cutting tool for cutting well casing | James PRICE | 1989-12-19 |
| 4796709 | Milling tool for cutting well casing | Kenneth W. Winterrowd, Harold H. Harvey, Jr. | 1989-01-10 |