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YOUNGMAN GROUP LIMITED
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ESSEX, GB
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Patents Grants
last 30 patents
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Patent Grant
Guard rail
Patent number
D657888
Issue date
Apr 17, 2012
Youngman Group Limited
John Sydney Charles Darby
D25 - Building units and construction elements
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Patents Applications
last 30 patents
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Patent Application
ADVANCED GUARD RAIL
Publication number
20130126270
Publication date
May 23, 2013
YOUNGMAN GROUP LIMITED
John Sydney Charles Darby
E04 - BUILDING