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Huaigang Feng — 2 Patents

Donggan, CN: #1 of 1 inventorsTop 100%

Overall (All Time): #1,837,457 of 4,157,543Top 45%

2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
11268312	Combined door hinge with variable hydraulic damping and stopper device performance	—	2022-03-08
10633905	Combined door hinge with variable hydraulic damping and stopper device performance	—	2020-04-28