MD

Michel Duvoisin

ES Edouard Dubied & Cie. S.A.: 1 patents #2 of 6Top 35%
📍 Môtiers, CH: #1 of 2 inventorsTop 50%
Overall (All Time): #4,084,373 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4252384 Cycle crank gear assembly including replaceable cartridge Charles W. Berthoud 1981-02-24