RH

Robert HOPFER

RG Roto Frank Fenster—Und Tuertechnologie Gmbh: 1 patents #7 of 21Top 35%
📍 Dürnberg, AT: #2 of 2 inventorsTop 100%
Overall (All Time): #2,440,450 of 4,157,543Top 60%
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Patent #TitleCo-InventorsDate
12371934 Hinge for door or window Hannes TRUMMER, Andreas Schmidt, Peter Riznik 2025-07-29