U.S. federal trademark · Serial No. 85554891 · Reg. No. 4256664
Wireless microphone system comprising a portable, battery operated FM transmitter and microphone therefor, and FM receiver with audio output; hearing assistance transmitter system comprising a stationary FM radio transmitter, a battery powered portable FM receiver, and an earphone; hearing assistance transmitter system comprising a portable, battery powered FM radio transmitter and microphone therefor, a battery powered portable FM receiver, and an earphone; hearing assistance system comprising a battery powered, portable audio amplifier with microphone and earphone; hearing assistance system comprising a stationary infrared transmitter and portable, battery powered infrared receiver with earphone; amplified telephone with large keys, adjustable volume and enhance, noise reduction, anti-feedback circuit, and automatic shut-off of amplification; amplified telephone ringer with adjustable volume, tone, and warble, one of which provides sound amplification; wireless, multi-channel FM radio system for simultaneous language interpretation comprised of a stationary FM transmitter and portable, battery-powered single channel and multi-channel FM receivers and earphones; battery-powered hearing accessories for the hard of hearing, namely, handheld electronic units for adjusting sound levels in assistive listening devices; telephone coupler for connecting a standard phone line to a personal amplification device
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.