ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,474,048, issued on Nov. 18, was assigned to Purdue Research Foundation (West Lafayette, Ind.).
"Fingerprinting system and method" was invented by Charles A. Steele (Hobart, Ind.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The fingerprinting system includes a main body, an air movement source, an ignitor, and a hydrocarbon fuel source. The main body includes a handle. The air movement source includes a fan. The air movement source is coupled to the main body. The fingerprinting system is configured to burn the hydrocarbon fuel source to produce soot containing carbon. The air movement source is configured to direct the soot containing carbon toward a ...