WD

Wolfgang Dittrich

Overall (2002): #90,035 of 266,432Top 35%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6494933 Method of utilizing secondary raw materials containing iron, zinc and lead Eberhard Saage, Uwe Hasche, Diethart Langbein 2002-12-17