Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4981151 | Expandable guide rail for an automatic car wash conveyor | Sherman L. Larson | 1991-01-01 |
| 4981523 | Vehicle cleaning system and method | Sherman L. Larson, Daniel DelPrato, Anthony J. Tomasello, Ray Hoy | 1991-01-01 |
| 4788993 | Vehicle reciprocating spray washing apparatus | C. Lee Hewitt, Sherman L. Larson | 1988-12-06 |
| 4744122 | Scrubbing apparatus for vehicles | Sherman L. Larson | 1988-05-17 |
| 4603447 | Disk type brush | — | 1986-08-05 |
| 4338698 | Vehicle cleaning brush having limited penetration | Robert A. Seng | 1982-07-13 |
| 4207643 | Dry wiping system for vehicles | Ronald E. Steffey | 1980-06-17 |