HC

Hong Yih Chang

Overall (All Time): #1,980,312 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9638498 Cartridge of non-lethal weapon 2017-05-02
5392029 Electrical shock apparatus 1995-02-21