Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11845635 | Elevator systems, guide rail assemblies and methods of installing elevator systems | Bi Xiong | 2023-12-19 |
| 11697573 | Hoistway access ladder storage | Jean-Emile Rocher | 2023-07-11 |
| D421082 | Hanger for skateboard truck | — | 2000-02-22 |