KS

Konrad Spang

DW Dyckerhoff & Widmann: 1 patents #32 of 81Top 40%
Overall (All Time): #3,970,747 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4652179 Method of and device for severing a tension member in a prestressed grouted anchor Thomas Herbst, Urs Kellner 1987-03-24