Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6115971 | Portable restroom | Douglas E. Loebertmann | 2000-09-12 |
| D315196 | Portable hand wash unit | Duane T. Tegg, Perry M. Domaas | 1991-03-05 |
| 4769863 | Hand wash unit | Duane T. Tegg, Perry M. Domaas | 1988-09-13 |