Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5265697 | Step sawhorse | — | 1993-11-30 |
| 4394106 | Glass handling lift truck | Kenneth A. Frees | 1983-07-19 |
| 4357926 | Pollution emission control and fuel saving device for internal combustion engines | — | 1982-11-09 |
| 4212274 | Pollution emission control and fuel saving device for internal combustion engines | — | 1980-07-15 |