CH

Chin-Hwa Huang

Overall (All Time): #2,329,556 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4847923 Water and air whirlpooling double flush toilet clog remover 1989-07-18
4816623 Rotary line switch 1989-03-28