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Friedbert Heinze
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Gotha, DE
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Patents Grants
last 30 patents
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Patent Grant
Cross frog
Patent number
7,083,149
Issue date
Aug 1, 2006
Vae GmbH
Friedbert Heinze
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Patents Applications
last 30 patents
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Patent Application
Cross frog
Publication number
20050145754
Publication date
Jul 7, 2005
BWG GmbH & Co. KG
Friedbert Heinze
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES