Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7950170 | Skewed roller on an excavator | David R. Hall | 2011-05-31 |
| 7942605 | Milling drum | David R. Hall, David Wahlquist, Thomas Morris | 2011-05-17 |
| D632418 | High bay LED light fixture | Jeffrey Bisberg, Peter Van Laanen, Tracy Earles, Christopher Wilke | 2011-02-08 |