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whytestocks

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whytestocks

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Monday, 09/16/2019 11:30:27 AM

Monday, September 16, 2019 11:30:27 AM

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News: $SLCA Proppant Express Investments Prevails in Patent Trial and Appeal Board Ruling Resulting in Invalidation of SandBox Logistics Patent Claims

DENVER, Sept. 16, 2019 (GLOBE NEWSWIRE) -- Proppant Express Investments, LLC (PropX) today announced that the United States Patent and Trademark Office (USPTO) through the Patent Trial and Appeal Board (PTAB) invalidated patent claims of a SandBox Logistics, LLC (“SandBox”) pa...

Read the whole news SLCA - Proppant Express Investments Prevails in Patent Trial and Appeal Board Ruling Resulting in Invalidation of SandBox Logistics Patent Claims
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