Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7249926 | Driveway truck restraint | Douglas M. Cull, Gregory L. Kwolek, Adam B. Peltier, James P. Hagen | 2007-07-31 |
| 6973693 | Dock leveler assembly with adjustable automatic release | Thomas A. Cinealis, David C. Hintze | 2005-12-13 |
| 4894602 | Overvoltage protection system for marine ignition and regulator circuitry | James A. Davis | 1990-01-16 |