Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5247743 | Method and apparatus for digging trenches | Randy Joe Holloway | 1993-09-28 |
| 5072588 | Motion multiplier for use with extendable boom fork lift vehicle | Ronald R. Shinn, John Baker | 1991-12-17 |
| 5061149 | Fork lift vehicle having a telescopic boom with an articulated jib section capable of vertical and horizontal swinging relative to the boom | Ronald R. Shinn, John Baker | 1991-10-29 |
| 4986721 | Extendable boom fork lift vehicle | Ronald R. Shinn, John Baker | 1991-01-22 |