Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6484822 | Cutting structure for earth boring drill bits | Andrew Murdock, Steve Barton | 2002-11-26 |
| 6484825 | Cutting structure for earth boring drill bits | Steve Barton | 2002-11-26 |
| 6062325 | Rotary drill bits | Malcolm R. Taylor, Steven J. Taylor | 2000-05-16 |