Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8061783 | Bit holder block with non-rotating wear sleeve | Don C. Rowlett | 2011-11-22 |
| 7883153 | Road milling drum having an adjustable width | Stephen P. Stiffler, Eric P. Helsel, Don C. Rowlett | 2011-02-08 |
| 7883154 | Cutting tool with water injection to the cutting bit shank | Wayne H. Beach, Stephen P. Stiffler, Eric P. Helsel | 2011-02-08 |