72136693
Jan 26, 1962
Jul 2, 1963
SOUND REPRODUCERS, LOUDSPEAKERS, LOUDSPEAKER ENCLOSURES AND CABINETS, LOUDSPEAKER SYSTEMS AND SONIC GENERATOR SYSTEMS; CROSS-OVER NETWORKS AND CONTROLS THEREFOR, TWEETERS, WOOFERS, AND MID-RANGE LOUDSPEAKERS AND COMBINATIONS THEREOF INDEPENDENTLY OF AND ASSEMBLED WITHIN ACOUSTIC ENCLOSURES AND CABINETS
Housewares and Glass