Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6461401 | Composition for binder material particularly for drill bit bodies | Kumar T. Kembaiyan | 2002-10-08 |
| 6394202 | Drill bit having diamond impregnated inserts primary cutting structure | David Truax, Carl Edward Penuel, Duane R. Van Waes | 2002-05-28 |
| 6375706 | Composition for binder material particularly for drill bit bodies | Kuttaripalayam T. Kembaiyan | 2002-04-23 |