FC

Fong-Chyi Chang

Overall (All Time): #1,657,018 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5249312 Control device for a water tank — 1993-10-05
5249313 Control device for a pull type flush tank — 1993-10-05
5191661 Control device for a water tank — 1993-03-09