Hsueh-Hung Chen Hsu

Follow

Person

Hsin Chu City, TW

People

Patents Grantslast 30 patents

Information Patent Grant
Lamp bulb with two filaments for Christmas tree light
- Patent number 5,886,458
- Issue date Mar 23, 1999
- Hsueh-Hung Chen Hsu
- H01 - BASIC ELECTRIC ELEMENTS