Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5215426 | Trailer including a hinged ramp tail | — | 1993-06-01 |
| 5094583 | Main tail locking device for a trailer | William K. Hunt, Harry E. Voelzke | 1992-03-10 |
| 4728114 | Device for raising, lowering and positioning a pintle eye style detachable gooseneck trailer hitch assembly | — | 1988-03-01 |
| 4701098 | Cable wheel handling and transporting trailer | William D. Moller | 1987-10-20 |
| 4568235 | Low angle tilt trailer | — | 1986-02-04 |
| 4372727 | Trailer including a multiple fold powered ramp tail | Ronald G. Fredrickson | 1983-02-08 |