ALEXANDRIA, Va., June 19 -- United States Patent no. 12,330,441, issued on June 17, was assigned to THALES DIS FRANCE SAS (Meudon, France).
"Multiple color image" was invented by Gregor Schmidt (Meudon, France), Thomas Neuenschwander (Meudon, France) and Christian Sailer (Meudon, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A data carrier with a cover layer, a base layer, and an information layer arrangement. The information layer arrangement includes at least a first information layer and a second information layer arranged after the first information layer along an extension direction. The first information layer and the second information layer have different optical properties, and the informati...