YG

Yvan Greiner

PO Portescap: 1 patents #7 of 16Top 45%
Overall (All Time): #4,071,592 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4335596 Device for measuring the operation of a timepiece movement 1982-06-22