(4-traders.com) ebf786e6-00a7-4eca-b34c-fb14f6870da4.pdf 18 March 2016 PhotonStar LED Group Plc Internet of Things security patent application granted PhotonStar LED Group Plc (AIM: PSL, "PhotonStar" or "the Group"), the British designer and...http://www.4-traders.com/PHOTONSTAR-LED-GROUP-PLC-4006893/news/Photonstar-Led-Internet-of-Things-security-patent-application-granted-22036969/