21 WIRELESS RECEIVERS AND TRANSMITTERS, PERSONAL PAGING RADIO RECEIVING UNITS, AMPLIFYING ADAPTORS FOR TV AND RADIO SETS AND TELEPHONES, AND POCKET BATTERY CHARGERS
FIRST USE JUNE 16, 1959, ON WIRELESS RECEIVERS AND TRANSMITTERS; IN COMMERCE JUNE 16, 1959. FIRST USE JUNE 16, 1959, ON WIRELESS RECEIVERS AND TRANSMITTERS; IN COMMERCE JUNE 16, 1959.