YB

Yangchun Bian

Overall (2020): #106,334 of 565,922Top 20%
2
Patents 2020

Issued Patents 2020

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D903037 Firearm-attachable waste collector for collecting firearm cleaning waste 2020-11-24
10746487 Device for loading bullets into firearm magazine 2020-08-18