RF

Roger A. Frederick

MM Memc Electronic Materials: 1 patents #138 of 273Top 55%
MT Monsanto Technology: 1 patents #877 of 1,657Top 55%
📍 Chesterfield, MO: #2,561 of 6,461 inventorsTop 40%
🗺 Missouri: #8,863 of 23,789 inventorsTop 40%
Overall (All Time): #2,298,967 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5178720 Method for controlling oxygen content of silicon crystals using a combination of cusp magnetic field and crystal and crucible rotation rates 1993-01-12
4436577 Method of regulating concentration and distribution of oxygen in Czochralski grown silicon Jerry W. Moody 1984-03-13