ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,748,221, issued on Sept. 29, was assigned to Xelera Research LLC (Ithaca, N.Y.).

"Non-radioisotope neutron device" was invented by Bruce Dunham (Redwood City, Calif.), John Scott Price (Niskayuna, N.Y.) and Vaclav Kostroun (Ithaca, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A neutron device may include a neutron emitter. The neutron emitter may include a target, an electron source, and a vacuum space in which ionization gas is disposed. The electron source may be configured to emit electrons toward the target when a voltage is applied between the target and the electron source. The vacuum space may be disposed between the target and the electr...