ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,561,309, issued on Feb. 24, was assigned to 342022 Inc. (Newcastle, Wash.).

"Correlation of heterogenous models for causal inference" was invented by John Schroeter (Bainbridge Island, Wash.) and Frederic L. Sax (Estero, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A causal inference engine relies on a category database and a graph database. Via a loader, a category generator, and a spatial web generator, input data is received in disparate formats and converted into a normalized attribute vector comprising a mathematical model, experiment, experimental data, and miscellaneous attributes. The normalized attribute vectors are then loaded into a ca...