GC

Giovanni Colliva

📍 Encantado, BR: #34 of 243 inventorsTop 15%
Overall (All Time): #2,315,445 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5003791 Principles and appliances for the cutting of spherical-faceted gems and gems thus obtained — 1991-04-02
4686795 Principles and appliances for cutting of spherical-faceted gems and gems thus obtained — 1987-08-18