RV

Ralph V. Vogelgesang

MM Memc Electronic Materials: 3 patents #70 of 273Top 30%
📍 Old Monroe, MO: #2 of 5 inventorsTop 40%
🗺 Missouri: #6,609 of 23,789 inventorsTop 30%
Overall (All Time): #1,620,309 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6227944 Method for processing a semiconductor wafer Yun-Biao Xin, Ichiro Yoshimura, Henry F. Erk, Stephen Hensiek 2001-05-08
6179950 Polishing pad and process for forming same Guoqiang Zhang, Gregory Owen Potts, Henry F. Erk 2001-01-30
6135863 Method of conditioning wafer polishing pads David Zhang, Henry F. Erk 2000-10-24