ALEXANDRIA, Va., July 21 -- United States Patent no. 12,688,677, issued on July 21, was assigned to AMAZON TECHNOLOGIES INC. (Seattle).

"System for determining biometric representation data" was invented by Manoj Aggarwal (Seattle), Rajeev Ranjan (Seattle), Gerard Guy Medioni (Los Angeles), Dilip Kumar (Seattle) and Joshua Engelsma (Jenison, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A machine learning network is trained to use biometric input data to generate representation data used to assert identity. The network may be trained to consider particular features of interest. For example, the biometric input data may comprise an image of a user's hand. Particular features may comprise one or more of...