ALEXANDRIA, Va., April 7 -- United States Patent no. 12,596,749, issued on April 7, was assigned to Infosys Ltd. (Bangalore, India) and InvertIT Inc. (Columbus, Ind.).

"Graph-based models with bi-directional nodes" was invented by Steven Schilders (Columbus, Ind.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An overlay system is provided that includes a storage element and processing circuitry coupled thereto. The storage element stores an executable graph-based model having various bi-directional nodes and connection links. The processing circuitry is configured to receive a stimulus and identify, based on the stimulus, a first bi-directional node in the executable graph-based model. The processing circuit...