Tso-Yu Fan

DC Der Sheng Co.: 7 patents #1 of 3Top 35%

Overall (All Time): #738,334 of 4,157,543Top 20%

Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #	Title	Co-Inventors	Date
9139043	Central-controlled double wheel structure	—	2015-09-22
D736608	Caster	—	2015-08-18
D735022	Caster	—	2015-07-28
D733541	Caster	—	2015-07-07
D729051	Caster	—	2015-05-12
D728354	Caster	—	2015-05-05
8365354	Castor having adjustable braking function	—	2013-02-05