RG

Renate Gottwald-Grill

FG Filterwerk Mann & Hummel Gmbh: 1 patents #129 of 285Top 50%
Overall (All Time): #3,531,484 of 4,157,543Top 85%
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Patent #TitleCo-InventorsDate
6662954 Cylindrical filter cartridge with support tube Helmut Luka 2003-12-16