CT

Chung-Yu Tsai

Overall (2021): #52,255 of 548,734Top 10%
4
Patents 2021

Issued Patents 2021

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11203108 Grip device for hexagonal wrenches 2021-12-21
11173619 Effort-saving cutter 2021-11-16
11103985 Grip device for hexagonal wrenches 2021-08-31
11072056 Grip bar for hexagonal wrench 2021-07-27