Membership
Tour
Register
Log in
Louis Lang S.A.
Follow
Organization
Porrentruy, CH
Organizations
Overview
Industries
People
People
Information
Transactions
Events
Impact
Please log in for detailed analytics
Patents Grants
last 30 patents
Information
Patent Grant
Sealed, shaped watch-case
Patent number
4,218,873
Issue date
Aug 26, 1980
Louis Lang S.A.
Jean-Louis Lang
G04 - HOROLOGY