Laurent Oppliger

Les Geneveys-sur-Coffrane

Trademarks, designs and patents

Mécanisme de force constante

Swiss patent · CH719508 · Inventor

Mar 16, 2022
Mécanisme de commande d'un chronographe

Swiss patent · CH705439 · Inventor

Deleted
pendule squelette

Swiss design · 129199 · Designer

Deleted