HC

Hui-Hsueh Chung

Overall (All Time): #1,414,678 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11338412 Direction controller for a ratchet screw driver — 2022-05-24
10259106 Switch assembly for a selectively one-way wrench — 2019-04-16
10016880 Selectively one-way wrench — 2018-07-10