MD

Malcolm T. Duffee

SI Spirol International: 1 patents #2 of 9Top 25%
📍 Brooklyn, CT: #40 of 73 inventorsTop 55%
🗺 Connecticut: #21,355 of 34,797 inventorsTop 65%
Overall (All Time): #3,935,113 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4856697 Manual pin driver — 1989-08-15