90411539
Dec 24, 2020
Signs, luminous; Backlit signs; Digital signs; Electric signs; Electronic signs; Electronic LED signs; Electronic transit information signs; Illuminated exit signs; Luminous signs; Luminous or mechanical road signs; Luminous variable/dynamic signs using light emitting diodes and electronic controllers to produce real-time and programmable messages and information displays; Mechanical signs; Neon signs
Electrical and Scientific Apparatus