Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4574904 | Auxilliary steering system | — | 1986-03-11 |
| 4434902 | Apparatus for extending and retracting a manual boom section | John D. Evans, James W. Cox | 1984-03-06 |
| 4380244 | Hose control system | Stanley D. Caudill | 1983-04-19 |