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Volker Sparwald

VA Vaw Aluminium Ag: 1 patents #26 of 76Top 35%
📍 Grevenbroich, DE: #77 of 155 inventorsTop 50%
Overall (All Time): #3,791,327 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5288383 Method and apparatus for adjusting the distance between the poles of electrolysis cells Gerald Peychal-Heiling 1994-02-22