FK

Fritz Ketterl

WM Wacker-Chemitronic Gesellschaft Fur Elektronik Grundstoffe Mbh: 1 patents #53 of 129Top 45%
Overall (All Time): #3,915,505 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4971654 Process and apparatus for etching semiconductor surfaces Anton Schnegg, Gerhard Brehm, Helene Prigge, Robert Rurlander 1990-11-20