FP

Ferenc Pera

Overall (All Time): #3,868,260 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4986696 Method of dewatering a subterranean space, especially a mine Gyorgy Szentai, Zsolt Kesseru, Peter Toth, Laszlo Kapolyi 1991-01-22