RW

Roger Willemin

ES Eta Sa Manufacture Horlogère Suisse: 6 patents #35 of 251Top 15%
Overall (All Time): #792,416 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
11903459 Wearable object comprising a case, a removable bracelet and a system for fastening the bracelet to the case Dohan SCHLICHTIG 2024-02-20
9209535 Device for securing a cell battery with improved contact David I. Correa, Stephane Rychen, Jonathan Collaud 2015-12-08
9063522 Device for securing a cell battery with improved contact Yvan Ferri, Stephane Rychen 2015-06-23
8873346 Watch dial secured to a bottom plate David I. Correa, Yvan Ferri, Stephane Rychen 2014-10-28
6934221 Timepiece with a date mechanism comprising two superposed date rings Roger Metzger, Marco Bettelini 2005-08-23
6925032 Timepiece with a date mechanism comprising two superposed date rings Roger Metzger, Marco Bettelini 2005-08-02