Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12214979 | Vehicle leveler with safety features | Grant Leum | 2025-02-04 |
| 12024411 | Vehicle leveler with wheel chock | Grant Leum | 2024-07-02 |
| 12006170 | Vehicle leveler with door interlock | Grant Leum | 2024-06-11 |
| 11858763 | Vehicle leveler with safety features | Grant Leum | 2024-01-02 |
| 11772915 | Hydraulically-powered vehicle leveler | Grant Leum | 2023-10-03 |
| 11753261 | Vehicle leveler with safety features | Grant Leum | 2023-09-12 |
| 11745965 | Vehicle leveler with safety features | Grant Leum | 2023-09-05 |
| 11577923 | Portable dock plate | Grant Leum | 2023-02-14 |
| 11572239 | Vehicle leveler with safety features | Grant Leum | 2023-02-07 |
| 11511954 | Vehicle leveler with swing gate | Grant Leum | 2022-11-29 |
| D968652 | Swing gate for a loading dock | Grant Leum | 2022-11-01 |
| 11273999 | Modular loading dock with integrated leveler | Grant Leum | 2022-03-15 |
| 11273998 | Vehicle leveler with safety features | Grant Leum | 2022-03-15 |
| 9944475 | Dock leveler | Grant Leum | 2018-04-17 |
| 9938094 | Dock leveler with safety barrier | Grant Leum | 2018-04-10 |