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Dan Wald
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Stillwater, MN, US
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last 30 patents
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Patent Grant
Expansion joint sealing system
Patent number
8,333,532
Issue date
Dec 18, 2012
Construction Research & Technology GmbH
James Derrigan
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Patents Applications
last 30 patents
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Patent Application
EXPANSION JOINT SEALING SYSTEM
Publication number
20110135387
Publication date
Jun 9, 2011
Construction Research & Technology GmbH
James DERRIGAN
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES