US

Udo Siefken

FG Fer Fahrzeugelektrik Gmbh: 1 patents #8 of 21Top 40%
Overall (All Time): #1,580,318 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7339127 Contact piece made of tungsten provided with a corrosion-resistant layer made of a base metal Gerhard Renner, Martin Muller 2008-03-04
6350294 Powder-metallurgically produced composite material and method for its production Gerd-Friedrich Renner 2002-02-26
6312495 Powder-metallurgically produced composite material and method for its production Gerd-Friedrich Renner 2001-11-06