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Swea Tong Chiang

Overall (All Time): #2,259,489 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5740837 Means for automatically regulating water pressure in water pipe 1998-04-21
5328332 Wheel fan of range hood 1994-07-12