Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5093951 | Top brush interrupt system for a car wash | Richard Grier | 1992-03-10 |
| RE32601 | Automatic vehicle washer | Julian L. Klein, James A. Nelson | 1988-02-16 |
| 4527578 | Automatic vehicle washer | Julian L. Klein, James A. Nelson | 1985-07-09 |