AS

Alan A. Simpkin

CA Cabot: 1 patents #336 of 601Top 60%
📍 Wayland, MA: #393 of 613 inventorsTop 65%
🗺 Massachusetts: #56,664 of 88,656 inventorsTop 65%
Overall (All Time): #3,968,988 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4645657 Production of carbon black Kam Bor Lee 1987-02-24