YJ

Yanhua Jia

📍 Langfang, CN: #44 of 102 inventorsTop 45%
Overall (All Time): #3,221,044 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8256579 Elevator car brake — 2012-09-04