Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6805197 | Hydraulic wireline cutter | Kenneth A. Brumley, Gregory L. Hern, David B. Haughton | 2004-10-19 |
| 6763753 | Hydraulic wireline cutter | Kenneth A. Brumley, Gregory L. Hern, David B. Haughton | 2004-07-20 |
| 6702031 | Anchoring device removal method and apparatus | James C. Doane, Michael V. Smith, Roger Steele, David B. Haughton | 2004-03-09 |
| 6679328 | Reverse section milling method and apparatus | Gerald D. Lynde | 2004-01-20 |