Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6805197 | Hydraulic wireline cutter | Kenneth A. Brumley, John P. Davis, David B. Haughton | 2004-10-19 |
| 6763753 | Hydraulic wireline cutter | Kenneth A. Brumley, John P. Davis, David B. Haughton | 2004-07-20 |