Membership
Tour
Register
Log in
Eduard Guggenberger
Follow
Person
Weisskirchen, AT
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Railway switch comprising a frog having a movable main point and au...
Patent number
4,953,814
Issue date
Sep 4, 1990
Voest-Alpine Maschinenbau Gesellshaft m.b.H.
Johannes R. Oswald
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES