US

Udo Siefken

Overall (2002): #97,094 of 266,432Top 40%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6350294 Powder-metallurgically produced composite material and method for its production Gerd-Friedrich Renner 2002-02-26