72455120
Apr 20, 1973
Oct 28, 1975
Active Trademark
TELECOMMUNICATION SYSTEM FOR TRANSMITTING TELEVISION AND RADIO SIGNALS THROUGH THE ATMOSPHERE CONSISTING OF AN AIRBORNE ANTENNA, TRANSMITTER AND RECEIVER CARRIED BY A TETHERED BALLOON AND A GROUND STATION WITH A TELEMETRY COMMAND CONNECTING THE BALLOON AND GROUND STATION
Housewares and Glass