GS

Giovanni Sironi

CS Centro Sperimentale Metallurgico Spa: 1 patents #5 of 29Top 20%
SS Societa Cavi Pirelli S.P.A.: 1 patents #33 of 64Top 55%
Overall (All Time): #2,332,656 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4859068 Screw type extruder with flow chambers externally and internally of screw — 1989-08-22
4676825 Hot metal desulphurizing and dephosphorizing process — 1987-06-30