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Damon King QUAN
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Thornhill, CA
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Patents Grants
last 30 patents
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Patent Grant
Rail road freight car
Patent number
9,346,472
Issue date
May 24, 2016
National Steel Car Limited
Ken Black
B61 - RAILWAYS
Patents Applications
last 30 patents
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Patent Application
RAIL ROAD FREIGHT CAR
Publication number
20150068425
Publication date
Mar 12, 2015
National Steel Car Limited
Ken BLACK
B61 - RAILWAYS