ALEXANDRIA, Va., June 12 -- United States Patent no. 12,298,297, issued on May 13, was assigned to University of Washington (Seattle).

"Visual cell sorting" was invented by Douglas Fowler (Seattle), Nicholas Hasle (Seattle), Sriram Pendyala (Seattle) and Hyeon-Jin Kim (Seattle).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure provides methods, systems and related software, for automated or semi-automated sorting and/or isolating cells with visually distinguishable phenotypes. In some embodiments, the methods comprise providing a plurality cells with a photo-activatable detectable marker in their respective nuclei. The plurality of cells are imaged and, based on the image, the status for one or mo...