EJ

E. Winthrop Hall, Jr.

📍 Weymouth, MA: #2 of 5 inventorsTop 40%
🗺 Massachusetts: #582 of 2,831 inventorsTop 25%
Overall (1989): #118,540 of 140,708Top 85%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4841684 Surface-finishing member — 1989-06-27