Membership
Tour
Register
Log in
Hans Gilgen
Follow
Person
CH-4104 Oberwil, CH
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Arrangement for damming water and also for draining away the volume...
Patent number
4,592,676
Issue date
Jun 3, 1986
Hans Gilgen
E04 - BUILDING