Proppant Express Investments LLC (PropX) announced that the United States Patent and Trademark Office, through the Patent Trial and Appeal Board (PTAB), invalidated patent claims of a SandBox Logistics LLC patent.
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U.S. Silica to Acquire Sandbox Enterprises
U.S. Silica Holdings Inc. announced that it has entered into a definitive agreement to acquire Sandbox Enterprises LLC, a provider of innovative logistics solutions and technology for the transportation of proppant. The transaction will be financed using a combination of $75 million of cash on hand and approximately 4.2 million U.S. Silica common shares.
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