YC

Yuan-Fong Chang

TC Top Vending Machine Electronics Co.: 1 patents #1 of 1Top 100%
📍 Taoyuan, PA: #2 of 4 inventorsTop 50%
Overall (2020): #209,336 of 565,922Top 40%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10665049 Counterfeit paper currency detector — 2020-05-26