Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7249926 | Driveway truck restraint | William B. Mayer, Douglas M. Cull, Gregory L. Kwolek, Adam B. Peltier | 2007-07-31 |
| 4818170 | Driveway truck restraining apparatus | Patrick Fisher | 1989-04-04 |
| 4735542 | Truck restraint | Patrick Fisher | 1988-04-05 |
| 4718136 | Dockboards | Patrick Fisher, Walter E. Meyer | 1988-01-12 |
| 4662021 | Dockboard with a tread plate lock mechanism | Walter E. Meyer | 1987-05-05 |
| 4589813 | Truck restraining device | Walter E. Meyer | 1986-05-20 |