Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D329315 | Extension chute | Ronald E. Christenson, Garwin McNeilus | 1992-09-08 |
| 5076703 | Hydraulic oil tank | Ronald E. Christenson, Brandon McNeilus | 1991-12-31 |
| 5056641 | Extension chute and connection therefor | Ronald E. Christenson, Garwin McNeilus | 1991-10-15 |
| D320837 | Hydraulic oil tank for use in cement trucks | Terry D. Grabow | 1991-10-15 |