Inventor
CHIANG JUNG-PING
TW4 patents
Patents
4 patentsUS5876296AMar 2, 1999
Gear shifting sprocket set for bicycle chain wheel
IND TECH RES INST103 citations95
US5863270AJan 26, 1999
Self-contained change speed apparatus for use on a bicycle
IND TECH RES INST38 citations92
US5855530AJan 5, 1999
Speed-changing transmission hub for a bicycle
IND TECH RES INST45 citations92
US5733215AMar 31, 1998
Multi-speed sprocket assembly of a bicycle
IND TECH RES INST38 citations90