EF

Ewald Feuerstake

MA Mannesmann Ag: 1 patents #514 of 1,341Top 40%
MD Mannesmann Demag: 1 patents #10 of 73Top 15%
Overall (All Time): #2,337,530 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4754464 Bottom electrodes for arc furnaces — 1988-06-28
4293775 Ozone pipe for ozone production plant Klaus-Peter Schwarz 1981-10-06