CB

Charles Barker

📍 Framingham, MA: #15 of 51 inventorsTop 30%
🗺 Massachusetts: #582 of 2,831 inventorsTop 25%
Overall (1989): #127,052 of 140,708Top 95%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4866764 Telephone — 1989-09-12