EF

Ercole Frattini

📍 Varese, IT: #136 of 455 inventorsTop 30%
Overall (All Time): #2,269,281 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5617600 Self-propelled underwater electromechanical apparatus for cleaning the bottom and walls of swimming pools 1997-04-08
5001800 Automatic, self-propelled cleaner for swimming pools Giorgio Parenti 1991-03-26