FM

Frank Mengel

VB Varta Batterie: 2 patents #31 of 154Top 25%
📍 Allendorf (Lumda), DE: #6 of 18 inventorsTop 35%
Overall (All Time): #2,261,431 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5766798 Prismatic galvanic cell having a current topping lug Dieter Bechtold, Klaus Brandt, Dietrich Bartke, Jorg Kumpers, Jurgen Vollbert 1998-06-16
5514488 Electrochemical secondary cell Martin Hake, Peter Kramer 1996-05-07