Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6474425 | Asymmetric diamond impregnated drill bit | David Truax | 2002-11-05 |
| 6464024 | Bi-centered drill bit having improved drilling stability, mud hydraulics and resistance to cutter damage | David Truax | 2002-10-15 |
| 6386302 | Polycrystaline diamond compact insert reaming tool | — | 2002-05-14 |