U.S. federal trademark · Serial No. 76388246 · Reg. No. 2780873
Electrical switching device, namely, a switch for automatically sensing the presence of a telephone for switching a hearing aid from microphone sound to telephone generated input for facilitating the hearing of an individual using a hearing aid while listening on the telephone
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.