OE

Otto Eppel

MG Mann+Hummel Gmbh: 2 patents #305 of 832Top 40%
Overall (All Time): #2,138,783 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7588615 Filter element with drainage tube Eric Gillenberg, Wolfgang Heikamp, Melanie Hirsch, Sandra Poelloth, Hans-Michael Winter 2009-09-15
7097683 Filter element with a drainage tube Wolfgang Heikamp, Markus Zuerker 2006-08-29