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Chang; Kuo Chi
Taipei, TW
No. of patents:

Patent Number Title Of Patent Date Issued
D545101 Wall-mount colored martial art rank belts rack June 26, 2007
D537654 Stand-up colored martial art rank belts rack March 6, 2007
D344957 Radio set handle March 8, 1994
7086951 Nunchaku August 8, 2006
A nunchaku includes a joint pin for connecting a baton of the nunchaku to a chain. The joint pin includes a front section for extending through a bearing mounted inside the baton to project from an inner end of the baton to connect to the chain, and a circular flange provided at a rear
6588167 Reversible dual-color floor pad module July 8, 2003
A floor pad module is formed along its four edges with specially designed first and second dovetails and corresponding dovetail grooves, so that the floor pad module could be reversed without affecting its free connection to another floor pad module via engagement of the dovetails with t
6306040 Telescopic baton October 23, 2001
A telescopic baton having an elastic multi-claw retaining means for holding a telescoped shaft of the baton in place is provided. The baton includes a handle, a middle shaft adapted to slide into the handle, a front shaft adapted to slide into the middle shaft, and a fixing cap screwed t

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