Joel Bonvin

Follow

Person

Crans sur Sierre, CH

People

Patents Grantslast 30 patents

Information Patent Grant
Timepiece capable of being worn in various ways
- Patent number 5,177,715
- Issue date Jan 5, 1993
- ETA S.A. Fabriques d'Ebauches
- Joel Bonvin
- G04 - HOROLOGY