21 Electro-Acoustic Equipment and Systems-Namely, Microphones, Headphones, Loudspeakers, Servo-Indicators, Transducers, Reproducing Headsets, Amplifiers, Recorders, Subassemblies and Parts for the Above
Trademark Events
Mar 6, 2004
Cancelled Sec. 8 (10-Yr)/Expired Section 9
Oct 25, 1984
Registered - Sec. 8 (6-Yr) Accepted & Sec. 15 Ack.