U.S. federal trademark · Serial No. 78110396 · Reg. No. 2728430
Communication devices, namely, electronic controls to alert telephone users when a third party is attempting to eavesdrop on a telephone conversation; electronic controls to place telephone calls on hold; line status indicators, namely, electronic controls to alert outbound callers if a telephone line is in use before a call is placed
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.