FK

Francois Klopfenstein

ES Eta Sa Manufacture Horlogère Suisse: 2 patents #4 of 36Top 15%
📍 Delémont, CH: #1 of 13 inventorsTop 8%
Overall (2019): #173,092 of 560,194Top 35%
2
Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10295962 Method for testing the rate of a quartz watch Yves Godat, Nicolas Jeannet 2019-05-21
10274899 Thermocompensated chronometer circuit Thierry Bonnet, Silvio Dalla Piazza, Laurent Christe, Emmanuel Fleury, Yves Godat +1 more 2019-04-30