Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10077609 | Drill bits having flushing | Michael D. Rupp, Christian M. Lambert | 2018-09-18 |
| 9903165 | Drill bits with axially-tapered waterways | Michael D. Rupp, Christian M. Lambert | 2018-02-27 |