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Jochen Spiestersbach

GA Grillo-Werke Ag: 1 patents #18 of 28Top 65%
📍 Duisburg, DE: #420 of 870 inventorsTop 50%
Overall (All Time): #3,323,842 of 4,157,543Top 80%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7524582 Zinc powder or zinc alloy powder for alkaline batteries Armin Melzer, Petra Merkel, Rudi Kube, Norbert Schulz 2009-04-28