ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,228,584, issued on Feb. 18, was assigned to XCella Biosciences Inc. (Menlo Park, Calif.).
"Multi-stage sample recovery system" was invented by Bob Chen (East Palo Alto, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Multi-stage sample-recovery systems, including automated 2-stage and 3-stage sample-recovery systems, are provided. Such systems enable the rapid screening and recovery of samples, including viable cell-based samples, from high-throughput screening systems, including systems utilizing large-scale arrays of microcapillaries. In specific screening systems, each microcapillary comprises a solution containing a variant protein, an immobil...