US Patent Issued to PACKAGING MATERIALS on Nov. 3 for "Printing board temperature indicator" (Indiana Inventor)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,779,842, issued on Nov. 3, was assigned to PACKAGING MATERIALS Inc. (Noblesville, Ind.).

"Printing board temperature indicator" was invented by Andrew Martin James (Noblesville, Ind.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A tape used with a printing board or a printing board that includes a thermochromic pigment layer, wherein, when the thermochromic pigment layer is below a temperature, the thermochromic pigment layer is opaque and has a first appearance, and wherein, when the thermochromic pigment layer is above the temperature, the first thermochromic pigment layer is translucent or transparent, an opaque layer is positioned below the thermoch...