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20. Mai 2020 08:00 ET | Quelle: Proppant Express Investments, LLC

Proppant Express Investments Prevails in U.S. Court of Appeals for Federal Circuit: PropX Did Not Infringe on SandBox Logistics Intellectual Property, Upholding Federal District Court Ruling

DENVER, May 20, 2020 (GLOBE NEWSWIRE) -- Proppant Express Investments, LLC (“PropX” or the “Company”), a leader in providing last-mile sand logistics to the energy industry, today announced that...
18. Februar 2019 15:00 ET | Quelle: Proppant Express Investments, LLC

Proppant Express Investments Prevails Again by Invalidating 24 SandBox Logistics Patent Claims

DENVER, Feb. 18, 2019 (GLOBE NEWSWIRE) -- Proppant Express Investments, LLC (“PropX”) today announced that on February 14, 2019 the U.S. Patent and Trademark Office (“Patent Office”) invalidated 24...
22. Januar 2019 07:30 ET | Quelle: Proppant Express Investments, LLC

Proppant Express Investments Wins Dismissal of all SandBox Patent Litigation

DENVER, Jan. 22, 2019 (GLOBE NEWSWIRE) -- Proppant Express Investments, LLC (“PropX”) announced today that the U.S. District Court for the Southern District of Texas has dismissed all patent...