Inventor
YAU KWOK WONG
CN4 patents
Patents
4 patentsUS6822423B2Nov 23, 2004
Intelligent serial battery charger and charging block
GPE INTERNAT LTD61 citations92
US6580249B2Jun 17, 2003
Intelligent serial battery charger and charging block
GPE INTERNAT LTD54 citations92
US7557538B2Jul 7, 2009
Intelligent serial battery charger
GPE INTERNAT LTD24 citations89
USRE41676ESep 14, 2010
Intelligent serial battery charger and charging block
GPE INTERNAT LTD7 citations70