WJ

Wilhem Janssen

FK Fried Krupp: 1 patents #80 of 258Top 35%
Overall (All Time): #3,959,472 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4772316 Process for the reduction of iron-containing chrome ores Dietrich Radke, Klaus Ulrich 1988-09-20