Issued Patents 2011
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8051929 | Core drill bits with enclosed fluid slots | Michael D. Rupp | 2011-11-08 |
| 7958954 | Drill bits with enclosed slots | Michael D. Rupp | 2011-06-14 |
| 7918288 | Drill bits with enclosed fluid slots and method | Michael D. Rupp | 2011-04-05 |
| 7909119 | Drill bits with notches and enclosed slots | Michael D. Rupp | 2011-03-22 |
| 7874384 | Drill bits with increased crown height | Michael D. Rupp | 2011-01-25 |