74243048
Feb 4, 1992
May 11, 1993
Active Trademark
loud speakers, tweeters, and woofers; sirens; electric switches; namely, toggle, shunt, and contact switches; transducers; speakers; attenuators; siren boxes with premounted speakers; siren drivers; audio sound wave indicators; compression drivers; electromagnetic buzzers and ceramic piezobuzzers; and alligator clip test leads
Electrical and Scientific Apparatus