Mark Identification

OPTIMAL PERSONAL ACOUSTIC LISTENING

Serial Number

75214898

Filing Date

Dec 18, 1996

Trademark by

NOISE CANCELLATION TECHNOLOGIES INC.

Classification Information

audio system including transducers, a power amplifier, an equalizer, a crossover circuit and signal processing circuitry for integration into consumer audio reproduction systems, home theater, telephones, personal computers, teleconferencing, videoconferencing, radios, intercoms and PA systems

Electrical and Scientific Apparatus