Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4909332 | Vibratory plow | — | 1990-03-20 |
| 4909333 | Vibratory plow | — | 1990-03-20 |
| 4871027 | Multiple-edge sod cutter for vibratory plow | Marvin L. Morris | 1989-10-03 |
| 4750566 | Resilient connecting means for lifting vibratory device | — | 1988-06-14 |
| 4742627 | Digging boom assembly | — | 1988-05-10 |
| 4346617 | Ground drive control | Philip W. Schroeder | 1982-08-31 |