ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,747,999, issued on Sept. 29, was assigned to Zebra Technologies Corp. (Lincolnshire, Ill.).
"Multi-response single layer sensor platform" was invented by Ashley M. Cousin (Chatham, N.J.), Eric W. Liberato (Pequannock, N.J.), Marielle K. Smith (Parlin, N.J.) and Mohannad Abdo (Clifton, N.J.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus, system, and method for producing a temperature exposure indicator is disclosed. The temperature exposure indicator includes a substrate and a mixture containing a first thermochromic material and a second thermochromic material. Each thermochromic material has an initial color state when the mixture is in a...