ALEXANDRIA, Va., July 9 -- United States Patent no. 12,352,567, issued on July 8, was assigned to Snap Inc. (Santa Monica, Calif.).

"Eyewear with strain gauge wear detection" was invented by Jason Heger (Louisville, Colo.), Matthias Kalkgruber (Vienna) and Erick Mendez Mendez (Vienna).

According to the abstract* released by the U.S. Patent & Trademark Office: "An eyewear device including a strain gauge sensor to determine when the eyewear device is manipulated by a user, such as being put on, taken off, and interacted with. A processor identifies a signature event based on sensor signals received from the strain gauge sensor and a data table of strain gauge sensor measurements corresponding to signature events. The processor controls the ...