ALEXANDRIA, Va., March 26 -- United States Patent no. 12,261,457, issued on March 25, was assigned to Visa International Service Association (San Francisco).

"System and method for location-based node management in a wireless charging network" was invented by Yu Gu (Austin, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A plurality of wireless charging systems may be employed within a network at a venue or other physical area to precisely locate a battery-operated node of the network. The location of the node may then be used to manage a transaction between that node and another node within the network when the transaction is associated with that precise location."

The patent was filed on Sept. 10, 20...