YG

Yinchen Guan

B( Bankers Pen (1991): 1 patents #1 of 3Top 35%
Overall (2017): #189,610 of 506,227Top 40%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D789451 Pen with highlighter tip — 2017-06-13