Inventor

LEE CHII-HUA

TW2 patents

Patents

2 patents

US5437931AAug 1, 1995

Optically variable multilayer film and optically variable pigment obtained therefrom

IND TECH RES INST339 citations95

US5408232AApr 18, 1995

Traffic signal device with interchangeable lamps

IND TECH RES INST6 citations60