Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9056750 | Escalator handrail chain | Wei Ge, Weifeng Shao, Jun Li | 2015-06-16 |
| 8123020 | Easily dismantled escalator outer decking | Yongqing Fang, Jianguo Li | 2012-02-28 |
| 7784598 | Two directions escalator driven by a single machine | Yongqing Fang, Jie Hu, Jianguo Li, Feng Xu | 2010-08-31 |