Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4784166 | Truck washing machine for washing trailer interiors using water under pressure as remote sole source of power, control and wash liquid | Randall J. Kappes | 1988-11-15 |
| 4309788 | Self-contained cleaner for trailer interiors | Randall J. Kappes | 1982-01-12 |