U.S. federal trademark · Serial No. 98009581 · Reg. No. 224920091
Scientific and technical design of optical lenses; scientific and technical design for others in the field of ophthalmic optics; development of advanced learning technologies and teaching measuring methods in the field of ophthalmic optics; development of advanced learning technologies and teaching calculation methods for the design of optical lenses; scientific and technical research in the field of ophthalmic optics technology
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