Human BioSystems Granted Their 4th U.S. Patent: #7,083,910 "Preservation Of Blood Platelets With Citrate"

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.

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