DJ

Dieter Johnen

MA Mannesmann Ag: 1 patents #514 of 1,341Top 40%
Overall (All Time): #3,765,495 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5395463 Method and arrangement for reduction annealing of iron powder Viktor Linnemann, Georg Huber, Friedrich W. Ischebeck 1995-03-07