CT

Chung-Yu Tsai

Overall (2018): #47,484 of 503,207Top 10%
4
Patents 2018

Issued Patents 2018

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10022847 Magnetic sleeve for positioning screwdriver bit 2018-07-17
9969076 Connection device for hexagonal wrench 2018-05-15
9908230 Tool assembly 2018-03-06
9902050 Magnetic positioning device for hand tool 2018-02-27