GS

Guang Y. Sheen

Overall (All Time): #894,204 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
4976287 Coupling portion of an outlet pipe of a tap 1990-12-11
4842012 Faucet valve structure 1989-06-27
4802503 Control valve for flushing system 1989-02-07
4787241 Flow test stand and fluid supply system 1988-11-29
4776565 Water faucet valve 1988-10-11
4700736 Faucet valve 1987-10-20