Human BioSystems (“HBS” or “Company”)(OTCBB: HBSC) announced today that it has been granted its fourth patent from the U.S. Patent Office. Patent #7,083,910, “Preservation of Blood Platelets with Citrate” should greatly contribute in the area of blood platelet preservation for the two major recipient groups of blood platelets: cancer patients that have undergone chemotherapy and/or radiation treatment (about 70%), and trauma patients suffering from extensive bleeding.
