ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,413,080, issued on Sept. 9, was assigned to Amazon Technologies Inc. (Seattle).

"Wireless battery charging" was invented by Mohammed Sameed Shafi (Mountain View, Calif.), Benjamin Thomas Gaide (San Jose, Calif.) and Marko Bundalo (Munich).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems, methods, and computer-readable media are disclosed for improved wireless battery charging. The device may include a battery, and may be configured to determine that the battery is de-coupled from a wireless charger at a first time, determine that the battery is coupled to the wireless charger at a second time, determine that a first elapsed time between the first ...