FK

Frank Krupa

SP Speedfam-Ipec: 2 patents #50 of 143Top 35%
📍 Phoenix, AZ: #2,590 of 6,660 inventorsTop 40%
🗺 Arizona: #13,050 of 32,909 inventorsTop 40%
Overall (All Time): #2,186,352 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6678911 Multiple vertical wafer cleaner Yakov Epshteyn, Ellis Harvey 2004-01-20
6461441 Method of removing debris from cleaning pads in work piece cleaning equipment Yakov Epshteyn, Ellis Harvey 2002-10-08