Membership
Tour
Register
Log in
Jacques Ackermann
Follow
Person
La Chaux-de-Fonds, CH
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Leakproof watch case
Patent number
4,544,284
Issue date
Oct 1, 1985
Omega S.A.
Michel Geiger
G04 - HOROLOGY