CF

Chan-Hua Feng

NC National Science Council: 2 patents #1 of 72Top 2%
Overall (2003): #73,181 of 273,478Top 30%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6644143 Grip gear-shifter for actuating derailleur of bicycle Jen-Ji Wang, I-Chao Yan, Te-Sheng TSENG 2003-11-11
6564670 Bicycle speed control apparatus Jen-Ji Wang 2003-05-20