CM

Chuanlong Ma

BC Beijing Choice Electronic Technology Co.: 1 patents #9 of 15Top 60%
Overall (All Time): #1,109,576 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D1055284 Portable oxygen concentrator Zesheng Xi 2024-12-24
D1031047 Oxygen concentrator Xiaolun Qian, Yang Zhao, Zesheng Xi 2024-06-11
D1006231 Multi-parameter detector for medical use Xiaolun Qian, Zesheng Xi 2023-11-28
D982759 Multi-parameter detector for medical use Xiaolun Qian, Zesheng Xi 2023-04-04