Membership
Tour
Register
Log in
Pforzheimer Uhren-Rohwerke Rudolf Wehmer
Follow
Organization
Pforzheim, DT
Organizations
Overview
Industries
People
People
Information
Transactions
Events
Impact
Please log in for detailed analytics
Patents Grants
last 30 patents
Information
Patent Grant
Mainspring mechanism and spring barrel assembly
Patent number
4,015,421
Issue date
Apr 5, 1977
Pforzheimer Uhren-Rohwerke Rudolf Wehmer
Kurt Murrle
G04 - HOROLOGY
Patents Applications
last 30 patents
Trademark
last 30 trademarks