ALEXANDRIA, Va., April 7 -- United States Patent no. 12,594,848, issued on April 7, was assigned to Amazon Technologies Inc. (Seattle).

"Charging device for autonomous ground vehicle" was invented by Alan Baird (Seattle), Oleg Kantor (Kirkland, Wash.), Alexander M. Frenkel (Seattle), Michael Bathurst (Burien, Wash.), Timothy James Ong (Redmond, Wash.) and Austin Jensen (Morgan, Utah).

According to the abstract* released by the U.S. Patent & Trademark Office: "Aspects described herein include an apparatus for charging an autonomous ground vehicle (AGV). The apparatus includes a plurality of first electrical contacts coupled to a power supply and that project upwardly from a base, and a plurality of receiver sections dimensioned to retain p...