FH

Fong-Shiang Hsu

Overall (All Time): #2,211,239 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6357271 Multi-layer type lock core structure of a cylindrical lock 2002-03-19
4998423 Ring shaped hanging lock with replaceable core 1991-03-12