WH

Walter Helmbold

📍 Kreuztal, DE: #46 of 93 inventorsTop 50%
Overall (All Time): #4,016,007 of 4,157,543Top 100%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4520862 Energy storage apparatus 1985-06-04