Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7582164 | Tire dressing system | David R. Krause | 2009-09-01 |
| 7380558 | Stationary vehicle cleaning system | David R. Krause, Joseph Grzelak, Russell Garniss, Kenneth R. Smith, David Arthur Stank | 2008-06-03 |
| 5188293 | Fluid applicating and vehicle washing apparatus | — | 1993-02-23 |
| 4719932 | Automatic vehicle washing system | — | 1988-01-19 |