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Hartmuth Drews

📍 Pinneberg, DE: #48 of 142 inventorsTop 35%
Overall (All Time): #2,070,157 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8593005 Water wheel for generating power 2013-11-26
8421261 Water wheel comprising a built-in generator 2013-04-16