Issued Patents 2018
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10030459 | Thru-casing milling | David A. Stokes, Timothy M. O'Rourke | 2018-07-24 |
| 9915100 | Underreamer for increasing a bore diameter | Manoj D. Mahajan, Daniel W. Brietzke, James A. Barnhouse, Georges Ishak | 2018-03-13 |
| 9915101 | Underreamer for increasing a bore diameter | Manoj D. Mahajan, Daniel W. Brietzke, James A. Barnhouse, Georges Ishak | 2018-03-13 |