Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6929079 | Drill bit cutter element having multiple cusps | Vincent Shotton, Zhou Yong | 2005-08-16 |
| 6883624 | Multi-lobed cutter element for drill bit | — | 2005-04-26 |
| 6848521 | Cutting elements of gage row and first inner row of a drill bit | Alan W. Lockstedt, Gary R. Portwood | 2005-02-01 |