U.S. federal trademark · Serial No. 75901056 · Reg. No. 2593529
OPTICAL AND ELECTRO-OPTICAL MEASURING DEVICES AND COMPONENTS THEREOF, NAMELY OPTICAL GAUGES, INTERFEROMETERS, PRISMS, FLATS, MIRRORS, BEAM SPLITTERS, OPTICAL WINDOWS, RETROFLECTORS, BEAM EXPANDERS, LASERS, LASER TUBES, LASER AMPLIFIER SLABS, LENSES, TRANSMISSION SPHERES, TRANSMISSION FLATS, REFERENCE FLATS, ATTENTUATION FILTERS, MIRROR MOUNTS, AND OPTICAL-MECHANICAL ASSEMBLIES
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