Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9643819 | Asymmetric and steered sheaves for twisted multi-belt elevator systems | Amir Lotfi | 2017-05-09 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9643819 | Asymmetric and steered sheaves for twisted multi-belt elevator systems | Amir Lotfi | 2017-05-09 |