75389769
Nov 13, 1997
Apr 4, 2000
Electronic and photographic apparatus and instruments, namely, projectors, projection screens, electronic controls, three-dimensional eye glasses, especially polarization and LCD-shutter glasses, head holds, namely, helmets for visual display devices, controls for controlling projection appliances, computer programs for three dimensional projection control, all sold as a unit for the control, display and interactive viewing of three-dimensional images
Electrical and Scientific Apparatus