WK

Werner Klausmann

VK Viessmann Werke Gmbh & Co. Kg: 1 patents #17 of 56Top 35%
Overall (All Time): #3,197,443 of 4,157,543Top 80%
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Patent #TitleCo-InventorsDate
8122855 Boiler Gunthard Görge, Roger Dönges 2012-02-28