HG

Helmut Gradenegger

VO Voest-Alpine: 1 patents #153 of 348Top 45%
VM Voest-Alpine Bergtechnik Gesellschaft M.B.H.: 1 patents #11 of 30Top 40%
Overall (All Time): #2,300,373 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5193295 Installation for shifting won minerals Eduard Krivec, Egmont Lammer 1993-03-16
4594047 Conveying means for removing a heap of debris Eduard Krivec 1986-06-10