Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8079402 | Casting method for matrix drill bits and reamers | Michael R. Reese, Gilles Gallego, Alan K. Harrell, Steven W. Drews | 2011-12-20 |
| 8061405 | Casting method for matrix drill bits and reamers | Michael R. Reese, Gilles Gallego, Alan K. Harrell, Steven W. Drews | 2011-11-22 |
| 8061408 | Casting method for matrix drill bits and reamers | Michael R. Reese, Gilles Gallego, Alan K. Harrell, Steven W. Drews | 2011-11-22 |