PH

Petteri Hiisila

Overall (All Time): #2,713,583 of 4,157,543Top 70%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10937251 Electronic ticketing system Kristof Aczel, Balazs Bakos, Szabolcs Fodor, Mervyn Graham, James M. Kirby +2 more 2021-03-02