ALEXANDRIA, Va., June 16 -- United States Patent no. 12,304,928, issued on May 20, was assigned to CZ Biohub SF LLC (San Francisco) and The Board of Trustees of the Leland Stanford Junior University (Stanford, Calif.).

"Epitope restriction for antibody selection" was invented by Payton Weidenbacher (Stanford, Calif.) and Peter S. Kim (Stanford, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are methods of producing antigenic proteins and antigenic protein complexes and compositions and vaccines produced from such methods. Also provided are methods of immunizing a subject using such compositions and vaccines. The antigenic proteins and protein complexes of this disclosure are useful as vaccine...