SF

Shuiwang Fan

C( Cmech (Guangzhou): 1 patents #5 of 6Top 85%
CL Cmech (Guangzhou Industrial Ltd.): 1 patents #3 of 6Top 50%
Overall (All Time): #1,949,697 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9920561 Combination hydraulic and pneumatic door closer — 2018-03-20
9556659 Door closer capable of adjusting its closing speed — 2017-01-31