RG

Roberto Guelfo

OS Olivetti-Canon Industriale S.P.A.: 2 patents #5 of 27Top 20%
IS Ing. C. Olivetti & C., S.P.A.: 1 patents #96 of 231Top 45%
📍 Montanaro, IT: #1 of 3 inventorsTop 35%
Overall (All Time): #1,649,170 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5581334 Electrostatic image developing device having toner flow control and lumps formation prevention ability Riccardo Forlani, Renato Bortolin, Riccardo Dal Bianco 1996-12-03
5325158 Ventilation and cooling device for a photocopier Renato Bortolin 1994-06-28
4630077 Serial printhead ink supply Pierangelo Berruti, Alessandro Crotti, Ennio A. Pozzo, Roberto Realis Luc 1986-12-16