ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,455,198, issued on Oct. 28, was assigned to ZEBRA TECHNOLOGIES Corp. (Lincolnshire, Ill.).
"Orientation-independent temperature sensor" was invented by Brian S. Huffman (Belle Mead, N.J.), Deniz Boyu (Dover, N.J.) and Gene A. Hofer (Lake Zurich, Ill.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A temperature exposure indicator includes a substrate, a first electrode and a second electrode on the substrate, the second electrode spaced apart from the first electrode, a temperature responsive material disposed between the first electrode and the second electrode, wherein the temperature responsive material comprises an insulating material and conductive ...