SZ

Sisi Zheng

OE Otis Elevator: 2 patents #21 of 199Top 15%
Overall (2024): #115,748 of 561,600Top 25%
2
Patents 2024

Issued Patents 2024

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D1052109 Elevator hall call board Zhe Li 2024-11-19
D1047254 Elevator hall lantern Zhe Li 2024-10-15