DS

Daniel E. Spielberg

HA Hilti Aktiengesellschaft: 1 patents #789 of 1,466Top 55%
Overall (All Time): #3,632,759 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6142719 Self-drilling screw Gerd Daubinger, Horst Rahmsmdorf, Felix Ferlemann, Sven Jochmann 2000-11-07