Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D647114 | Drill bit with tapered waterway | Michael D. Rupp, Christian M. Lambert | 2011-10-18 |
| D647115 | Drill bit waterway | Michael D. Rupp, Christian M. Lambert | 2011-10-18 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D647114 | Drill bit with tapered waterway | Michael D. Rupp, Christian M. Lambert | 2011-10-18 |
| D647115 | Drill bit waterway | Michael D. Rupp, Christian M. Lambert | 2011-10-18 |