ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,422,312, issued on Sept. 23, was assigned to United States of America, as represented by the Secretary of the Navy (Arlington, Va.).

"Spinning flat plate calorimeter" was invented by David O. Hubble (King George, Va.) and Peter L. Wick Jr. (Fredericksburg, Va.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A spinning flat plate calorimeter device is provided for receiving and measuring laser energy. The device includes a circular disk, a shaft, a structure and a motor. The circular disk has temperature-detection instrumentation for measuring temperature from the laser energy. The shaft is supported by distal and proximal bearings. The structure support...