YC

Yung-Hsin Chen

📍 Taoyuan, CA: #11 of 24 inventorsTop 50%
Overall (2002): #84,398 of 266,432Top 35%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6464041 Emergency lifting or lowering device of an elevator — 2002-10-15