RB

Rudiger Bartsch

DW Dyckerhoff & Widmann: 1 patents #32 of 81Top 40%
Overall (All Time): #3,933,505 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4850746 Rock anchor assembly for securing roadways and wall surfaces of open cuts and tunnels Klemens Finsterwalder 1989-07-25