Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6640820 | Self-service coin-operated manual car wash station with integrated exit air drying apparatus | Russell L. Caldwell | 2003-11-04 |
| 6571809 | Self-service coin-operated manual car wash station with integrated manually operable air drying apparatus | Russell L. Cladwell | 2003-06-03 |