CT

Chen-Hsien Tsai

Overall (All Time): #1,296,594 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D337205 Cleaning brush — 1993-07-13
D331499 Cleaning brush — 1992-12-08
D327943 Adjustable spray nozzle for a water hose — 1992-07-14
5033509 Structure of water flow control device — 1991-07-23