LL

Liang Liu

BC Beifa Group Co.: 1 patents #11 of 17Top 65%
📍 Caohejing, NY: #1 of 1 inventorsTop 100%
Overall (2011): #234,037 of 364,097Top 65%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7887212 Retractable lamp pen operating in alternate modes — 2011-02-15