SK

Siegfried Kalbitzer

ME Max-Planck-Gesellschaft Zur Föderung Der Wissenschaften E.V.: 1 patents #1,086 of 3,651Top 30%
Overall (All Time): #3,957,335 of 4,157,543Top 100%
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Patent #TitleCo-InventorsDate
4764432 Photo-mask with regions having a differing optical transmissivities — 1988-08-16