PALO ALTO, CALIFORNIA -- (MARKET WIRE) -- January 22, 2007 -- Human BioSystems (HBS) (OTCBB: HBSC), developer of preservation platforms for organs, blood platelets and other biomaterials, announced today that the U.S. Patent Office has allowed HBS’ patent application for platelet preservation entitled “Compositions, Methods and Apparatuses for Preserving Platelets.” A patent number is expected to be issued in the near future.