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Haisong Dong

UN Unknown: 2 patents #98 of 3,153Top 4%
📍 Riverview Drive, CN: #8 of 51 inventorsTop 20%
Overall (2022): #156,835 of 548,613Top 30%
2
Patents 2022

Issued Patents 2022

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11396997 Illumination devices 2022-07-26
11339936 Flickering flame-shaped head apparatus 2022-05-24