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Harm Drecoll

📍 Stein am Rhein, CH: #14 of 20 inventorsTop 70%
Overall (All Time): #3,637,288 of 4,157,543Top 90%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6163523 Metal master for producing optical discs — 2000-12-19