Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10458607 | Lighting device for a component of a vehicle wash system | Robert J. Wentworth, Douglas J. Calvin, Jeffrey K. Underhill, Kenneth A. McPherson | 2019-10-29 |
| 7784140 | Vehicle wash mitter assembly with offset racks | Robert J. Wentworth, Douglas J. Calvin | 2010-08-31 |