HT

Hans G. Trapp

GF Georg Fischer: 1 patents #60 of 149Top 45%
📍 Schaffhausen, CH: #170 of 294 inventorsTop 60%
Overall (All Time): #3,987,303 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4713180 Ceramic filter and method for using same Franz Hofmann, Rolf Rietzscher, Jurgen Otto, Wolfgang P. Kaettlitz, Gerd Trinki 1987-12-15