74381842
Apr 23, 1993
sound and light manipulating devices, namely display forming devices, volumetric three-dimensional image display forming devices, volume three dimensional image display devices, laser light apparatus, light processors and projectors, and components thereof, for use to generate three-dimensional images in space in scientific, entertainment, virtual reality and computer-aided design and manufacturing imaging displays, and in aerospace simulations, air traffic control displays, and in three-dimensional optical computing applications
Electrical and Scientific Apparatus