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WIRTGEN AMERICA, INC.

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Heinz Kotting Herbert Ley Gunter Hahn WIRTGEN GMBH, Assignor

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SCRAPER DEVICE, AS WELL AS CONSTRUCTION MACHINE

12/222,623 | U.S. Patent Application

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Location ELECTRONIC

Filed Aug. 13, 2008

Examiner JANINE MUIR KRECK

Class 299

Art Group 3672

Patent No. 8,100,480

Case Type Utility - 299/039200

Status Patented Case

Child 13/340,395 Patented

Child 13/747,877 Patented

Child 14/553,009 Patented

Child 15/409,670 Patented

Child 15/581,147 Patented

Child 16/268,150 Abandoned

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Last Updated: 3 years ago

Date	#	Transaction
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SCRAPER DEVICE, AS WELL AS CONSTRUCTION MACHINE

12/222,623 | U.S. Patent Application

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