Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4343371 | Hybrid rock bit | William J. Baker, Lloyd L. Garner | 1982-08-10 |
| 4231438 | Straight hole insert drill bit | Lloyd L. Garner | 1980-11-04 |
| 4203496 | Longitudinal axis roller drill bit with gage inserts protection | William J. Baker | 1980-05-20 |