Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5335958 | Automatic positive tailgate latching mechanism | Ronald E. Christenson | 1994-08-09 |
| 5076703 | Hydraulic oil tank | William L. Loefke, Ronald E. Christenson | 1991-12-31 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5335958 | Automatic positive tailgate latching mechanism | Ronald E. Christenson | 1994-08-09 |
| 5076703 | Hydraulic oil tank | William L. Loefke, Ronald E. Christenson | 1991-12-31 |