IR

Irving B. Ruppel

CA Carborundum: 1 patents #4 of 7Top 60%
📍 Kenmore, NY: #6 of 12 inventorsTop 50%
🗺 New York: #1,999 of 7,187 inventorsTop 30%
Overall (1997): #138,090 of 185,788Top 75%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5616426 Ceramic substrate with silicon carbide smoothing layer Michael A. Tenhover 1997-04-01