Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5782524 | Curved wall trailer construction | Merle J. Heider, Dale J. Heider, Leon J. Heider | 1998-07-21 |
| 5780783 | Vehicle load weighing system | Leon J. Heider, Merle J. Heider, Dale J. Heider, Lawrence H. Holten, James Scholler | 1998-07-14 |
| 5664918 | Cargo tie down device | Merle J. Heider, Dale J. Heider, Leon J. Heider | 1997-09-09 |
| RE35580 | Trailer construction | Merle J. Heider, Dale J. Heider, Leon J. Heider | 1997-08-12 |
| 5326156 | Trailer construction | Merle J. Heider, Dale J. Heider, Leon J. Heider | 1994-07-05 |
| 5308100 | Trailer coupler assembly | Merle J. Heider, Dale J. Heider, Leon J. Heider | 1994-05-03 |
| 5303972 | Remote control for box top closure | Merle J. Heider, Dale J. Heider, Leon J. Heider | 1994-04-19 |