JH

Jean-Luc Helfer

SD Swatch Group Research And Development: 2 patents #12 of 65Top 20%
ES Eta Sa Manufacture Horlogère Suisse: 1 patents #12 of 36Top 35%
📍 Le Landeron, CH: #1 of 4 inventorsTop 25%
Overall (2019): #85,699 of 560,194Top 20%
3
Patents 2019

Issued Patents 2019

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10474104 Resonator with fine adjustment via an index-assembly Marc Stranczl, Laurent JEANNERET, Xavier BERDAT 2019-11-12
10459406 Interaction between two timepiece components Gianni Di Domenico, Pascal Winkler, Jerome Favre 2019-10-29
10216149 Protection for the strips of a mechanical watch resonator Pascal Winkler, Dominique Lechot, Jean-Jacques Born 2019-02-26