WAKE FOREST, NORTH CAROLINA, USA (February 14, 2023) -Tersus Environmental today announced that the U.S. Patent and Trademark Office has issued patent US 11,577,231 B2 (the ‘231 patent) which further strengthens the company’s intellectual property coverage for the diverse selection of products and technologies addressing the remediation of contaminated soils and aquifers.. Authors for the newly issued patent are Gary M. Birk, P.E. and David F. Alden, P.E.