ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,765,793, issued on Oct. 20, was assigned to Amazon Technologies Inc. (Seattle).

"Non-invasive radio frequency biosensor" was invented by Ilia Vitsnudel (Even Yehuda, Israel), Layne Christopher Price (Seattle), Christopher Raymond Grajewski (Sammamish, Wash.), David Heckerman (Bellevue, Wash.), Andreas Caduff (Clyde Hill, Wash.), Adrian Napoles (Bellevue, Wash.) and Konstantin Brook (Tel Aviv, Israel).

According to the abstract* released by the U.S. Patent & Trademark Office: "Data about concentration of one or more types of molecules present within a human body are determined noninvasively using radio frequency (RF) signals. RF signals at several different frequencies and at very low...