HR

Hans Ribken

MA Mannesmann Ag: 1 patents #514 of 1,341Top 40%
Overall (All Time): #4,068,782 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4326699 Oil-tempering apparatus for pipes Wilfried Carneim, Herbert Hillemanns, Hermann Vollmecke, Heinz J. Schumacher, Kurt Roether 1982-04-27