TH

Tsang-Chung Hung

RC Ruey Ryh Enterprise Co.: 2 patents #3 of 10Top 30%
📍 Changhua City, TW: #223 of 984 inventorsTop 25%
Overall (All Time): #1,616,174 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6390390 Sprinkler structure — 2002-05-21
5699968 Water discharge controlling structure of a sprinkling gun — 1997-12-23
D376839 Spray gun — 1996-12-24