Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12018453 | Retention assembly for grader machine blade | Nathaniel K. Harshman, James David Costner, III, David L. Cox, Benjamin J. Kovalick | 2024-06-25 |
| 11041286 | Retention assembly for grader machine blade | Nathaniel K. Harshman, James David Costner, III, David L. Cox, Benjamin J. Kovalick | 2021-06-22 |