BG

Bertrand Gonthier

ES Eta Sa Manufacture Horlogère Suisse: 1 patents #145 of 251Top 60%
📍 Vétroz, CH: #2 of 2 inventorsTop 100%
Overall (All Time): #3,100,220 of 4,157,543Top 75%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8696195 Balance spring boot — 2014-04-15