Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8662816 | Z-bar linkage for wheel loader machines | Joel R. Grimes, Wayne E. Harshberger, II, Jason J. Hagedorn, Jia X. Zhao, Jay H. Renfrow | 2014-03-04 |
| 5446925 | Adjustable face shield | Dennis L. Baker | 1995-09-05 |