ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,844, issued on March 31, was assigned to International Business Machines Corp. (Armonk, N.Y.).

"Thermographic imaging for quality analysis" was invented by John R. Dangler (Rochester, Minn.), Tory Johnson (Rochester, Minn.), Gunnar Mills (Salt Lake City), Austin Carter (Olmsted, Minn.), Susan Zichittella (Red Hook, N.Y.) and Colin Edward Masterson (Rochester, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Described are techniques for quality analysis using thermographic imaging. In one example, a system including a test chamber for receiving an unpowered component. The system further includes an external heat source for heating the unpowered ...