RB

Rudolf Bartoszek

PA Philipp Holzmann Ag: 1 patents #6 of 22Top 30%
Overall (All Time): #4,084,829 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4253781 Method and an apparatus for providing a grouted anchorage against hydrostatic pressure Joachim Fischer, Siegfried Brandl 1981-03-03