LL

Laize Li

OE Otis Elevator: 1 patents #64 of 199Top 35%
Overall (2024): #374,875 of 561,600Top 70%
1
Patents 2024

Issued Patents 2024

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11987473 Escalator device — 2024-05-21