EN

Eberhard Niggemann

VB Varta Batterie: 2 patents #31 of 154Top 25%
Overall (All Time): #2,262,783 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5786108 Electrochemical cell Dietrich Sprengel, Jurgen Heydecke 1998-07-28
5660944 Multicell storage battery Dietrich Sprengel, Uwe Kohler 1997-08-26