HR

Helmut Rocker

FG Filterwerk Mann & Hummel Gmbh: 1 patents #129 of 285Top 50%
📍 Löchgau, DE: #12 of 17 inventorsTop 75%
Overall (All Time): #3,909,251 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4948549 Process for producing soot filter elements Hans Erdmannsdorfer, Helmuth Fischer, Hartmut Wolff, Fritz Zundel 1990-08-14