Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4570730 | Speed shifter linkage for skid-steer loader | Randall L. Sierk | 1986-02-18 |
| 4527655 | Drive chain adjuster | — | 1985-07-09 |
| 4519209 | Hydraulic motor bypass apparatus | — | 1985-05-28 |
| 4387857 | Grinder-mixer controls | Terry A. Young, William W. Mann, Ernest A. Schoeneberger | 1983-06-14 |
| 4384455 | Hydraulic motor bypass apparatus | — | 1983-05-24 |