JY

Jinxian Yang

📍 Bositenghu, CN: #24 of 78 inventorsTop 35%
Overall (All Time): #3,786,341 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5474455 Mathematical calculation board game and method of playing — 1995-12-12