ALEXANDRIA, Va., June 16 -- United States Patent no. 12,309,319, issued on May 20, was assigned to STATE FARM MUTUAL AUTOMOBILE INSURANCE COMPANY (Bloomington, Ill.).

"Emotionally aware intelligent voice interface" was invented by Duane Lee Marzinzik (Springfield, Ill.), Eric R. Moore (Heyworth, Ill.), Gregory D. Carter (Bloomington, Ill.), Harsh Lalwani (Normal, Ill.), Matthew Mifflin (Bloomington, Ill.), Padmaja Uppaluri (Bloomington, Ill.), Ryan Jewell (Bloomington, Ill.) and Richard J. Lovings (Normal, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for responding to inferred caller states during dialog with an intelligent voice interface configured to lead callers through pathways of an alg...