72222192
Jun 28, 1965
Jan 25, 1966
DICHROIC FILTERS, HIGH REFLECTORS, NARROW BANDPASS FILTERS IN THE ULTRAVIOLET, COLOR SEPARATION FILTERS, NEUTRAL DENSITY FILTERS, ANTI-REFLECTION COATINGS, FRONT SURFACE MIRRORS AND HIGH REFLECTORS, HEAT SEPARATION FILTERS, BANDPASS FILTERS, BEAM SPLITTERS AND BEAM SPLITTERS IN THE VISIBLE SPECTRUM, AND SQUARE BAND FILTERS, LONG AND SHORT WAVE PASS FILTERS, WIDE BANDPASS FILTERS, ANTI-REFLECTION COATINGS IN THE INFRARED, MULTI-COLORED RETICLES, CIRCULAR VARIABLE FILTERS, DUAL BAND FILTERS, OPTICAL AND LASER COATINGS
Fancy Goods