CH

Chung-Hsien Hsieh

📍 New Taipei, TW: #327 of 2,150 inventorsTop 20%
Overall (2019): #185,234 of 560,194Top 35%
2
Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10385612 Door curtain anti-dropping device having latching pin locking mechanism 2019-08-20
10202803 Door operator having lock mechanism 2019-02-12