ALEXANDRIA, Va., June 17 -- United States Patent no. 12,310,712, issued on May 27, was assigned to Spectrohm Inc. (McLean, Va.).

"Tomographic systems for spatial and temporal control of an electromagnetic field to image a specimen having regions of different dielectric constants" was invented by Timothy L. Cargol (McLean, Va.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A tomographic system accurately determines characteristics of a specific region within an inhomogeneous dielectric specimen by guiding an electromagnetic field through the inhomogeneous dielectric specimen in a transverse mode. The system may include a source of electromagnetic energy for generating an electromagnetic waveform, and a transm...