U.S. federal trademark · Serial No. 76047428 · Reg. No. 4305930
ANTI-REFLECTION COATINGS
OPTICAL APPARATUS AND INSTRUMENTS, NAMELY, BAND PASS FILTER, EDGE FILTERS, POLARIZING BEAM SPLITTER PLATES, GAIN FLATTENING FILTERS, COUPLERS WITH BAND SPLITTERS, WIDE-BAND BLOCKERS, INTERFERENCE FILTERS, INFRARED FILTERS, LASER MIRRORS, BEAM SPLITTERS, COLD MIRRORS/FILTERS, AND NATURAL DENSITY FILTERS
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