Membership
Tour
Register
Log in
Pirmin Kuhne
Follow
Person
Wollerau, CH
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Solar radiation collector
Patent number
4,155,347
Issue date
May 22, 1979
Contraves AG
Rudolf Heller
F24 - HEATING RANGES VENTILATING