74447288
Oct 4, 1993
Apr 22, 1997
optical products for use with lasers, namely lenses, mirrors, beamsplitters, windows, partial reflectors, phase retarders, Brewster windows, mechanical assemblies for the retention of the above listed optical products to facilitate the delivery of the laser light beams, instruments that measure properties of laser beams for diagnostic purposes, and flexible mechanical beam delivery devices
Electrical and Scientific Apparatus