ET

Elio Taverna

OE Otis Elevator: 1 patents #966 of 1,840Top 55%
Overall (All Time): #3,648,994 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5901814 Hydraulic elevator having a counterweight Leandre Adifon, Erminio Guaita, Stefano Cantu 1999-05-11