Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4796709 | Milling tool for cutting well casing | Gerald D. Lynde, Kenneth W. Winterrowd | 1989-01-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4796709 | Milling tool for cutting well casing | Gerald D. Lynde, Kenneth W. Winterrowd | 1989-01-10 |