75939120
Mar 9, 2000
Dec 4, 2001
Active Trademark
STRUCTURAL OPTICAL ELEMENTS, NAMELY, PLANE AND PARALLEL PLATES, TAPERS, ROUND RODS, CAMERA WEDGES, BEAM SPLITTERS, BRANCHING UNITS, LENSES, PRISMS, FILTERS AND MIRRORS; OPTICAL SCANNERS
Electrical and Scientific ApparatusGLASS PROCESSING, NAMELY, CUTTING, SAWING, DRILLING, GRINDING, COATING, POLISHING AND LAPPING OF OPTICAL GLASS
Treatment of Materials