ALEXANDRIA, Va., July 28 -- United States Patent no. 12,693,371, issued on July 28, was assigned to Vorbeck Materials Corp. (Columbia, Md.).

"System to determine the location of a radio frequency source using radio frequency signal strength and related methods" was invented by John Lettow (Washington, Md.), Sriram Manivannan (Elkridge, Md.), Dan Scheffer (Frederick, Md.), James Allen Turney (Silver Spring, Md.), Christie Burrow (New Market, Md.), Samarpita Chowdhury (Baltirmore, Md.), Victor Contreras (Baltimore) and Trentice Bolar (Columbia, Md.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments relate to a communications node that includes an interfacing plate assembly; an antenna assembly; a board...