U.S. federal trademark · Serial No. 85304910 · Reg. No. 4278001
Ball lenses, rod lenses, cylindrical lenses, drum lenses, axicon lenses, spherical lenses, fly eye lenses, array lenses and aspherical lenses all being optical lenses; metal mirrors, namely, gold mirrors, copper mirrors and aluminum mirrors and dielectric multilayer mirrors all being optical mirrors; prisms for optics purposes
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