Human BioSystems To Receive Its 4th U.S. Patent: 'Preservation Of Blood Platelets With Citrate'

On the heels of its earlier announcement regarding the receipt of a third patent (U.S. Patent #7,029,839: "Methods & Solutions for Storing Donor Organs"), Human BioSystems (OTCBB: HBSC) announced today that it has been notified by the U.S. Patent Office that it will receive an additional patent titled "Preservation of Blood Platelets with Citrate". This patent grant further adds to the Company's increasing technology base covering a variety of cell preservation methods.

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