71473202
Aug 12, 1944
Mar 27, 1945
ELECTIC LAMPS EMITTING ULTRAVIOLET RAYS IN THE ZONE LETHAL TO FOOD DELETERIOUS BACTERIA, AND UNITARY COMBINATION STERILIZING AND ADVERTISING EQUIPMENT COMPRISING ELECTRIC LAMPS EMITTING ULTRAVIOLET RAYS IN THE ZONE LETHAL TO FOOD DELETERIOUS BACTERIA, AND ADVERTISING MEDIA IN THE NATURE OF FLOURESCENT SUBSTANCES ACTIVATED BY SUCH RAYS OF SUCH LAMPS
Housewares and Glass