Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6558839 | Metallized fiber structure framework having treated edge surfaces and faces for use as an electrode or recombination element in accumulators | Otwin Imhof, Holger Kistrup, Dieter Henke, Uwe Schaffrath | 2003-05-06 |
| 6214491 | Metallized fiber structure framework having treated edge surfaces and faces for use as an electrode or recombination element in accumulators | Otwin Imhof, Holger Kistrup, Dieter Henke, Uwe Schaffrath | 2001-04-10 |
| 5424149 | Electrochemical storage device and method for producing same | Otwin Imhof, Holger Kistrup | 1995-06-13 |
| 5395710 | Porous electrode framework plate with welded-on current discharge lug for electrochemical storage cells | Otwin Imhof | 1995-03-07 |