Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7237627 | Bearing and lubrication system for earth boring bit | Lance Richman, Chris E. Cawthorne, Robert H. Slaughter, Jr. | 2007-07-03 |
| 6619412 | Protected lubricant reservoir for sealed earth boring drill bit | Robert H. Slaughter, Jr., Peter Thomas Cariveau, Roger Didericksen, William M. Conn | 2003-09-16 |
| 6296067 | Protected lubricant reservoir for sealed bearing earth boring drill bit | Robert H. Slaughter, Jr., Peter Thomas Cariveau, Roger Didericksen, William M. Conn | 2001-10-02 |
| 6206110 | Protected lubricant reservoir with pressure control for sealed bearing earth boring drill bit | Robert H. Slaughter, Jr., Peter Thomas Cariveau, Roger Didericksen, William M. Conn | 2001-03-27 |