ALEXANDRIA, Va., June 2 -- United States Patent no. 12,645,280, issued on June 2, was assigned to Snap Inc. (Santa Monica, Calif.).

"Detecting wear status of wearable device" was invented by Jason Heger (Louisville, Colo.), Dunxu Hu (Los Angeles), Eric Nachtigall (Broomfield, Colo.), Gerald Nilles (Los Angeles), Ugur Olgun (Marina Del Rey, Calif.) and Praveen Babu Vadivelu (Erie, Colo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and systems are disclosed for detecting whether a wearable device is being worn by a user. The system transmits a radio signal from a first communication device of a wearable device to a second communication device of the wearable device and measures a signal strength asso...