Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7665234 | Grader blade with tri-grade insert assembly on the leading edge | Timothy J. Diehl, Don C. Rowlett, Terry A. Manway, Duane E. Carson, Jr., Andrew G. Mayer | 2010-02-23 |