Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6290285 | Trailer with top rail assembly having awning mount | — | 2001-09-18 |
| 6224125 | Trailer top rail assembly with support brace and awning mount | — | 2001-05-01 |
| 6224142 | Double skin slat construction for trailers | — | 2001-05-01 |
| 5216439 | Scaling systems for data recorders | Alfred Krause | 1993-06-01 |