Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10457524 | Tension device for drive chain, method and escalator system using same | Yajun Dong | 2019-10-29 |
| 9718648 | Moving walk | Tomi Sipilä, Ralf Weber, Arttu Hult, Hongbin Yao | 2017-08-01 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10457524 | Tension device for drive chain, method and escalator system using same | Yajun Dong | 2019-10-29 |
| 9718648 | Moving walk | Tomi Sipilä, Ralf Weber, Arttu Hult, Hongbin Yao | 2017-08-01 |