https://sixthwave.com/wp-content/uploads/2020/10/Sixthwave.png00Sixthwave Adminhttps://sixthwave.com/wp-content/uploads/2020/10/Sixthwave.pngSixthwave Admin2022-06-23 12:00:312022-08-04 17:53:54United States Patent & Trademark Office Grants Sixth Wave Innovations Inc. MIPS Patent for its Unique Method of Metals Extraction and Purification