ALEXANDRIA, Va., March 19 -- United States Patent no. 12,254,718, issued on March 18, was assigned to AMAZON TECHNOLOGIES INC. (Seattle).

"Multi-device enrollment for biometric identification system" was invented by Quanfu Fan (Lexington, Mass.), Hongcheng Wang (Bellevue, Wash.), Carlos D. Castillo (Seattle), Manoj Aggarwal (Seattle) and Gerard Guy Medioni (Los Angeles).

According to the abstract* released by the U.S. Patent & Trademark Office: "User enrollment to a biometric identification system begins on selected general input devices (GID) such as smartphones. The user may enter identification data (e.g. name) and use a red-green-blue (RGB) camera of the GID to acquire a first image (e.g. hand). The first image is processed using both...