Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D311008 | Lawn mower body | Harlan J. Trefz | 1990-10-02 |
| 4776405 | Rotary driven cultivator with support arm between clutch casing and gear box | C. Austin Grieder, David G. Stephenson | 1988-10-11 |
| 4648238 | Removable grass catcher | C. Austin Greider, David G. Stephenson, Terry R. Lee | 1987-03-10 |