ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,689, issued on Feb. 10, was assigned to Cellsonics Inc. (San Jose, Calif.).

"Cartridge for processing biological samples and devices and methods thereof" was invented by Stephen Levers (San Jose, Calif.), Vibhu Vivek (Santa Clara, Calif.) and Douglas Gordon Summers (Palo Alto, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Described are methods and systems for enhanced dissociation of cells from a solid biological tissue sample. In some embodiments, a self-contained cartridge apparatus includes a first chamber for receiving the tissue sample, enables ultrasonic energy from a transducer assembly of a processing unit to dissociate cells from th...