SAN DIEGO--(BUSINESS WIRE)--Nanogen, Inc. (Nasdaq: NGEN), developer of molecular and rapid diagnostic products, announced today that the U.S. Patent and Trademark Office has granted two new patents; No. 7,319,022 titled “Amplification Methods” and No. 7,297,495 titled “Hybridization-Triggered Fluorescent Detection Of Nucleic Acids”. The technologies described in these patents are important additions to the strong foundation of inventions in the Company’s MGB Probe technology portfolio.