JH

Johannes Hennecke

MA Mannesmann Ag: 1 patents #514 of 1,341Top 40%
Overall (All Time): #4,044,387 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4483403 Shaft drilling machine Heinz Horst, Helmut Podellek 1984-11-20