SZ

Sisi Zheng

OE Otis Elevator: 5 patents #28 of 260Top 15%
Overall (2019): #29,925 of 560,194Top 6%
5
Patents 2019

Issued Patents 2019

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
D846148 Elevator car Zhe Li, Wei Li 2019-04-16
D846149 Elevator car Wei Li, Zhe Li 2019-04-16
D846150 Elevator car Wei Li, Zhe Li 2019-04-16
D844839 Elevator car Wei Li, Zhe Li 2019-04-02
D843633 Lighting fixture Zhe Li 2019-03-19