BS

Birgit Severich

CK Carl Freudenberg Kg: 1 patents #276 of 679Top 45%
FF Firma Carl Freudenberg: 1 patents #255 of 512Top 50%
Overall (All Time): #2,148,923 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7407728 Alkaline cell or battery Wolffried Wenneis, Harald Hoffmann, Hartwig Hocker, Helmut Keul 2008-08-05
6630269 Fuel cell Thomas Barth, Klaus P. Kaspar 2003-10-07