KATY, Texas, March 9, 2020 /PRNewswire/ -- U.S. Silica Holdings, Inc. (NYSE: SLCA) ("U.S. Silica" or the "Company") today announced that it has settled multiple intellectual property and contractual ...
KATY, Texas, Jan. 8, 2019 /PRNewswire/ -- U.S. Silica Holdings, Inc. (NYSE: SLCA) announced today that SandBox Logistics ™, its industry leading last-mile containerized solution, has been awarded a ...
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 ...
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