77583582
Oct 1, 2008
Jun 2, 2009
Electro-optical instruments and devices for measuring radiant energy and luminous intensity of light emitting diodes in scientific, industrial and photographic applications, namely, LED photometers, traffic signal light testers, color temperature meters, exposure meters, meter testing equipment, and light filters; instruments for photometry and radiometry, namely, luminance meters, radiance meters, illuminance meters, irradiance meters, spectroradiometers, candle-power meters, optical lenses, power supply units, photometric testing equipment, optical heads, reflectance standards, luminance standards, monochromatic light sources, and nondestructive testing meters; motion sensitive security lighting; electronic light measurement instruments, namely traffic signal light photometers; dosage meters, namely, an apparatus for measuring electromagnetic spectrum
Electrical and Scientific Apparatus