RS

Richard H. Smoak

CA Carborundum: 2 patents #26 of 126Top 25%
📍 Lewiston, NY: #43 of 99 inventorsTop 45%
🗺 New York: #48,759 of 115,490 inventorsTop 45%
Overall (All Time): #2,373,545 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4237085 Method of producing a high density silicon carbide product 1980-12-02
RE30286 Method of producing high density silicon carbide product John A. Coppola 1980-05-27