BC

Baogang Chen

Overall (All Time): #3,226,978 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8291783 Helical locking mechanism for doors Xiang Shi, Yu Gu, Wenping Liu, Guannan Xu, Bangrong Ni 2012-10-23