Inventor

PANG GRANTHAM KWOK-HUNG

CN3 patents

Patents

3 patents

US6683590B1Jan 27, 2004

Tricolor LED display system having audio output

UNIV HONG KONG71 citations93

US6445369B1Sep 3, 2002

Light emitting diode dot matrix display system with audio output

UNIV HONG KONG167 citations93

US6271815B1Aug 7, 2001

Handy information display system

UNIV HONG KONG118 citations90