Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8256827 | Butt joint for trailer side wall | — | 2012-09-04 |
| 8220817 | Semi-trailer for transporting circular objects | Rodney P. Ehrlich, David P. Kunkel, Michael L. Brown | 2012-07-17 |
| 8100465 | Trailer rear door frame with angled rear sill | — | 2012-01-24 |
| 7677642 | Butt joint for trailer side wall | — | 2010-03-16 |
| 5904364 | Folding frame log trailer | James H. Wilfore | 1999-05-18 |