QH

Quhe Hua

Overall (2025): #49,712 of 469,880Top 15%
3
Patents 2025

Issued Patents 2025

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D1083083 Choking rescue device Zhigang Hong, Hao Jin 2025-07-08
D1076058 Choking rescue device Zhigang Hong, Hao Jin 2025-05-20
D1076059 Choking rescue device Zhigang Hong, Hao Jin 2025-05-20