AE

Adolf Engelmann

ED Eta Sa Fabriques D'Ebauches: 2 patents #42 of 171Top 25%
ES Eta Sa Manufacture Horlogère Suisse: 1 patents #145 of 251Top 60%
Overall (All Time): #1,544,689 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8505196 Method and device for securing a crystal with a counter strip Thierry Altenhoven, Jean-Christophe Kroug 2013-08-13
6507535 Portable object, in particular a watch, including multiple selectable electronic modules 2003-01-14
6335906 Portable object, in particular a watch, including multiple selectable electronic modules 2002-01-01