TC

Tsung-Chih Chang

Overall (2019): #110,581 of 560,194Top 20%
2
Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10519695 Cathode lock and method allowing the cathode lock to switch between normally-opened state and normally-closed state — 2019-12-31
10422168 Energy-saving magnetic lock — 2019-09-24