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PG Peter Wolters Gmbh: 1 patents #4 of 18Top 25%

SA Siltronic Ag: 1 patents #145 of 300Top 50%

📍 Weilburg, DE: #17 of 25 inventorsTop 70%

Overall (All Time): #3,306,212 of 4,157,543Top 80%

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Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
7815489	Method for the simultaneous double-side grinding of a plurality of semiconductor wafers	Georg Pietsch, Michael Kerstan	2010-10-19