U.S. federal trademark · Serial No. 79233879 · Reg. No. 5577857
Scientific and technical research in the field of ophthalmic optics; development of testing, measuring and analysis methods in the field of ophthalmic optics; development and testing of computing methods, algorithms and software [ ; ] *, all in the field of ophthalmic optics; * preparation of scientific and technical reports in the field of ophthalmic optics
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