MR

Manfred Riffelmann

SD Sms Demag: 3 patents #41 of 365Top 15%
Overall (All Time): #1,584,985 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7159431 Method of operating a section straightening machine Hans-Georg Hartung, Werner Kohlstedde, Markus Willems, Hans-Jurgen Reismann, Ulrich Svejkovsky +1 more 2007-01-09
6843091 Section straightening machine Hans-Georg Hartung, Werner Kohlstedde, Markus Willems, Hans-Jurgen Reismann, Ulrich Svejkovsky +1 more 2005-01-18
6266989 Method and machine for straightening sections Siegfried Pohl 2001-07-31