 ROCHESTER, N.Y., April 06, 2021 GLOBE NEWSWIRE -- Document Security Systems, Inc. DSS or the Company NYSE American: DSS, a multinational company operating businesses focusing on brand protection technology, blockchain security, direct marketing, healthcare, real estate, and securitized digital assets, today announced its wholly owned subsidiary Impact BioMedical, Inc. Impact BioMedical received notice of allowance US 16544,308 from the U.S. Patent and Trademark Office USPTO for a method of limiting the occurrence of, reducing the risk or severity of, or treating Ebola and Rhinovirus using its proprietary Equivir compound. This allowance is in addition to Equivirs previously issued U.S. patent in influenza. 