Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D478543 | Hopper for a bed mounted spreader assembly | Charles Truan, James Truan, Paul Mandrik | 2003-08-19 |
| D476999 | Frame assembly for a bed mounted spreader assembly | Charles Truan, James Truan | 2003-07-08 |
| 6536067 | Extruded vehicle mounted broom | Charles Truan, James Truan, Paul Mandrik | 2003-03-25 |
| 6422490 | Rear mounted spreader with horizontal auger | Charles Truan, James Truan, Paul Mandrik | 2002-07-23 |