Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7883154 | Cutting tool with water injection to the cutting bit shank | Stephen P. Stiffler, Eric P. Helsel, Donald E. Keller | 2011-02-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7883154 | Cutting tool with water injection to the cutting bit shank | Stephen P. Stiffler, Eric P. Helsel, Donald E. Keller | 2011-02-08 |