Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6536543 | Rotary drill bits exhibiting sequences of substantially continuously variable cutter backrake angles | Matthew J. Meiners, Thomas M. Harris | 2003-03-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6536543 | Rotary drill bits exhibiting sequences of substantially continuously variable cutter backrake angles | Matthew J. Meiners, Thomas M. Harris | 2003-03-25 |