75422074
Jan 23, 1998
Oct 5, 1999
computer-controlled, multi-light source signs, employing, namely, light emitting diodes and incandescent lamps, which produce stationary and movable video and graphic images
Electrical and Scientific Apparatusinstallation of computer-controlled, multi-light source signs, employing, namely, light emitting diodes and incandescent lamps, which produce stationary and movable video and graphic images
Building Construction and Repaircustom manufacture of computer-controlled, multi-light source signs, employing, namely, light emitting diodes and incandescent lamps, which produce stationary and movable video and graphic images
Treatment of Materials