73539079
May 22, 1985
Nov 14, 1989
COMPUTER BASED POSITION FINDING SYSTEM COMPRISING A POSITION COMPUTER, VIDEO DISPLAY TERMINAL, COLOR GRAPHIC COMPUTER, TRANSPONDERS, AND VIDEO MONITOR
Electrical and Scientific ApparatusPRODUCTION OF TELEVISION AND FILM FEATURES AND DISTRIBUTION OF SAME FOR EDUCATIONAL AND ENTERTAINMENT PURPOSES
Education and Entertainment