YC

Yuan-Fong Chang

TC Top Vending Machine Electronics Co.: 2 patents #1 of 1Top 100%
📍 Taoyuan, PA: #3 of 4 inventorsTop 75%
Overall (2023): #91,659 of 537,848Top 20%
2
Patents 2023

Issued Patents 2023

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11813855 Barcode printer 2023-11-14
11551021 Counterfeit paper currency detector with barcode reading function 2023-01-10