U.S. federal trademark · Serial No. 72374136 · Reg. No. 0921109
ACOUSTIC COUPLER, I.E., APPARATUS FOR COUPLING AN ELECTRO-MECHANICAL FACILITY FOR TRANSMITTING A DIGITAL DATA STREAM, TO A COMMON TELEPHONE FACILITY CAPABLE OF TRANSMITTING AUDIO TONES, TO ENABLE TRANSMISSION OF DATA IN EITHER DIRECTION BY CONVERTING ONE OF THE AUDIO OR DIGITAL SIGNALS TO THE OTHER
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.