MT

Michel Thomi

CS Compagnie Des Montres Longines, Francillon S.A.: 2 patents #4 of 18Top 25%
Overall (All Time): #2,368,661 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4363553 Watch mechanism incorporating two barrels Raymond Studer 1982-12-14
4194353 Analog display calendar watch Michel Groothuis, Serge Meylan 1980-03-25