YC

Yves-Alain Cosandier

ES Eta Sa Manufacture Horlogère Suisse: 1 patents #5 of 14Top 40%
Overall (2020): #204,357 of 565,922Top 40%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10564605 Compact balance spring of constant section Jean-Luc Helfer 2020-02-18