YC

Yuan-Fong Chang

TC Top Vending Machine Electronics Co.: 2 patents #1 of 1Top 100%
📍 Taoyuan, PA: #2 of 3 inventorsTop 70%
Overall (2021): #94,905 of 548,734Top 20%
2
Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11127251 Induction card managing device for a gaming machine 2021-09-21
10964174 Stored-value card machine 2021-03-30