Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6276452 | Apparatus for removal of milling debris | John P. Davis | 2001-08-21 |
| 5150755 | Milling tool and method for milling multiple casing strings | Harold E. Payne, Gerald D. Lynde | 1992-09-29 |
| 5086838 | Tapered cutting tool for reaming tubular members in well bore | Gerald D. Lynde | 1992-02-11 |