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Helmut Drochner

KA Ktm Ag: 1 patents #13 of 66Top 20%
Overall (All Time): #2,755,724 of 4,157,543Top 70%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11149676 Two-stroke internal combustion engine Christian Rehrl, Christian Mayrhofer, Stefan Spatzenegger, Christian Rathgeb, Michael Derntl +4 more 2021-10-19