reader for reading encoded microparticlesUS849805214 Sep 200930 Jul 2013Illumina, Inc.Composition including an item and an encoded optical substrate and a method for identifying an itemUS856547523 Sep 201122 Oct 2013Illumina, Inc.Optical system and method for reading encoded microbeadsUS86148527 Sep 201024 Dec 2013Illumina, Inc.Elongated microparticles having an optically detectable code configur