TENX TENAX THERAPEUTICS INC Investments/Divestments 8-K Filing 2024 - Patent Allowed for Use of Drugs in PH-HFpEF Patients Tenax Therapeutics, Inc. announced that a patent has been allowed for the use of certain drugs to improve exercise performance in PH-HFpEF patients.Get access to all SEC 8-K filings of the TENAX THERAPEUTICS INC