GC

George B. Champlin

📍 Stoneham, MA: #3 of 6 inventorsTop 50%
🗺 Massachusetts: #582 of 2,831 inventorsTop 25%
Overall (1989): #112,505 of 140,708Top 80%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4802398 Diagonally reinforced mechanical packing Charles F. Swan 1989-02-07