CR

Christian Ruefenacht

ES Eta Sa Manufacture Horlogère Suisse: 3 patents #9 of 53Top 20%
📍 Bienne, CH: #4 of 25 inventorsTop 20%
Overall (2016): #77,205 of 481,213Top 20%
3
Patents 2016

Issued Patents 2016

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9304494 Timepiece balance spring stud-holder with screws Raphael Courvoisier 2016-04-05
9298164 Timepiece balance spring stud-holder with screws Raphael Courvoisier 2016-03-29
9229432 Fast correction mechanism for timepieces Raphael Courvoisier, Antonio Merino, Giuseppe Cappadona 2016-01-05