ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,505,933, issued on Dec. 23, was assigned to INFINITE POWER COMPANY PTY LTD (Bowen Hills, Australia).

"Electrical generator system including radionuclide material and intrinsic n-type semiconductor material" was invented by Steven Christopher Whitehead (Cumbria, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electrical generator system including a radionuclide material; and a sandwich structure, the sandwich structure including: a layer of an n-type semiconductor material; a layer of intrinsic n-type semiconductor material; a layer of p-type semiconductor material; and metal electrodes, one of the electrodes being in direct contact with ...