Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9382077 | Multi-zone conveyor system having LAN based control | David V. Hall | 2016-07-05 |
| 9004263 | Conveyor drive with integrated controller | David V. Hall | 2015-04-14 |
| 5780783 | Vehicle load weighing system | Leon J. Heider, Merle J. Heider, Dale J. Heider, Craig J. Heider, Lawrence H. Holten | 1998-07-14 |
| 5057814 | Electrical malfunction detection system | Lance C. Onan, Douglas E. Stehr, Hugh R. Putnam | 1991-10-15 |
| 4972174 | Motorcycle turn signal control circuit | Lance C. Onan, Douglas E. Stehr, Hugh R. Putnam | 1990-11-20 |