Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8336913 | Steering device for pallet jack | Fred O. Hartmann | 2012-12-25 |
| 7475887 | Pallet jack | Fred O. Hartmann | 2009-01-13 |
| 7462009 | Hand-truck apparatus having locking handle | Fred O. Hartmann | 2008-12-09 |
| 7427075 | Steering device for pallet truck | Fred O. Hartmann | 2008-09-23 |
| 7226060 | Steering device for pallet truck | Fred O. Hartmann | 2007-06-05 |