Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6761525 | Combination dump and spreader apparatus | Mark S. Hollinrake, David Alan Cabalka, Terry J. Sommerfelt, Thomas E. Amthauer, Marc E. Cabalka +1 more | 2004-07-13 |
| 6585472 | Combination dump and spreader apparatus | Mark S. Hollinrake, David Alan Cabalka, Terry J. Sommerfelt, Thomas E. Amthauer, Marc E. Cabalka +1 more | 2003-07-01 |
| 6394735 | Combination dump and spreader apparatus | Mark S. Hollinrake, David Alan Cabalka | 2002-05-28 |
| 6123276 | Interlock system for spreader bodies | Glenn L. Ungerer | 2000-09-26 |