US Patent Issued to ZEBRA TECHNOLOGIES on March 31 for "Activatable warming indicator without dye" (New Jersey Inventors)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,849, issued on March 31, was assigned to ZEBRA TECHNOLOGIES Corp. (Lincolnshire, Ill.).

"Activatable warming indicator without dye" was invented by John Olson (Dayton, N.J.), Eric W. Liberato (Pequannock, N.J.), Mohannad Abdo (Clifton, N.J.) and Steven Feldman (Morristown, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A temperature exposure indicator includes a reservoir of meltable material having a melting point at an activation threshold of the temperature exposure indicator. The temperature exposure indicator also includes a light scattering material having voids and an indicia overlayed by the light scattering material such that the indi...