ALEXANDRIA, Va., June 9 -- United States Patent no. 12,287,438, issued on April 29, was assigned to TERAPET SA (Satigny, Switzerland).

"Ion beam emission apparatus and detection system therefor" was invented by Marcus Palm (Arzier-le Muids, Switzerland) and Christina Vallgren (Arzier-le Muids, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "Gamma ray detection system comprising a detection module assembly including at least two detection modules configured for positron emission tomography (PET) scanning of a target zone, each detection module comprising a plurality of stacked scintillator plates each having a major surface oriented to generally face the target zone and lateral minor surfaces defin...