VC

Vincent Cheng

PE Primax Electronics: 1 patents #4 of 4Top 100%
📍 Dayuan District, CA: #1 of 1 inventorsTop 100%
Overall (1997): #63,014 of 185,788Top 35%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5652604 Hollow track ball and method for manufacturing same — 1997-07-29