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Astec Rock Crushers Patent Claims Invalid, Judge Rules

Law360, New York (December 5, 2012, 6:14 PM EST) -- A Wisconsin federal judge on Tuesday found that parts of an Astec Industries Inc. patent covering rock-crushing technology were invalid, siding with Metso Minerals Industries Inc., which had sued to prevent...
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Wisconsin Eastern

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Patent

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October 22, 2010

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