Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7258833 | High-energy cascading of abrasive wear components | Allan W. Rainey | 2007-08-21 |
| 4770253 | Grader blade with tiered inserts on leading edge | Robert P. Hallissy, Edmund Isakov, Earle W. Stephenson | 1988-09-13 |