ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,698,463, issued on Aug. 4, was assigned to The Board of Trustees of the Leland Stanford Junior University (Stanford, Calif.).

"Spatially controlled fabrication of multi-spheroid tissues using magnetic bioprinting" was invented by Julien Roth (Redwood City, Calif.), Sungchul Shin (Redwood City, Calif.), Sarah C. Heilshorn (Mountain View, Calif.) and Lucia Brunel (Redwood City, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and devices are provided for the fabrication of multi-spheroid tissues with precise spatial control over spheroid positioning. In particular, a 3D bioprinter is provided comprising an electromagnet and dual printheads com...