CH

Chun-Feng Ho

Overall (All Time): #1,523,419 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9149941 Blade-switchable utility knife — 2015-10-06
8595942 Safe utility knife — 2013-12-03
8484854 Blade-switchable utility knife — 2013-07-16