Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5246085 | Portable work station | Reinald D. Liegel, James G. Ballard, James C. Graham, Craig A. Wisner | 1993-09-21 |
| 5088691 | Hydraulic apparatus including a hydraulic fluid flow control cartridge | James B. Ballard | 1992-02-18 |
| 4886242 | Pneumatic hydraulic side lifting jack | Leonard F. Eck, Reinald D. Liegel, Garry J. Sabel | 1989-12-12 |
| 4739854 | Hydraulic fluid pump assembly for use in truck cab tilt apparatus | Garry J. Sabel, Reinald D. Liegel | 1988-04-26 |