DC

Douglas Chiang

TC Tien Hsin Industries Co.: 16 patents #1 of 45Top 3%
TC Th Industries Co.: 2 patents #1 of 8Top 15%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #83,067 of 4,157,543Top 2%
39
Patents All Time

Issued Patents All Time

Showing 26–39 of 39 patents

Patent #TitleCo-InventorsDate
6386765 Bottom bracket having a hollow shaft with larger diameter 2002-05-14
6305243 Bicycle crank arm 2001-10-23
6244750 Crank axle assembly for a bicycle 2001-06-12
6139192 Bicycle axle 2000-10-31
6095691 Crank axle for bicycle 2000-08-01
6039499 Supporting bracket for braking cable of bicycle 2000-03-21
5980116 Crank axle for bicycle 1999-11-09
5979923 Bicycle with an improved crank gearwheel assembly 1999-11-09
5813770 Hub of a bicycle 1998-09-29
5669467 Bicycle brake assembly 1997-09-23
5549396 Bicycle crank axle 1996-08-27
5476327 Bottom bracket for a bicycle 1995-12-19
5387255 Steering bearing assembly for a bicycle 1995-02-07
5319993 Steering bearing assembly for a bicycle 1994-06-14