KA

Klaus Alsen

DW Dyckerhoff & Widmann: 1 patents #32 of 81Top 40%
Overall (All Time): #4,121,755 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4228114 Method for the construction of elongated concrete structures such as bridges and the like Hans Neidhardt, Jurgen Maletzke, Johann Wimmer 1980-10-14