Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6761525 | Combination dump and spreader apparatus | Mark S. Hollinrake, Timothy Ray Schenk, David Alan Cabalka, Terry J. Sommerfelt, Marc E. Cabalka +1 more | 2004-07-13 |
| 6585472 | Combination dump and spreader apparatus | Mark S. Hollinrake, Timothy Ray Schenk, David Alan Cabalka, Terry J. Sommerfelt, Marc E. Cabalka +1 more | 2003-07-01 |