U.S. federal trademark · Serial No. 73275509 · Reg. No. 1204341
Communications System Especially Suited for Hazardous Environments and Offshore Drilling Rigs, Comprising a Cabinet Housing an Alarm Network, Telephone Interface and Power Supply, and Speaker Amplifier in Communication with a Plurality of Remote Weatherproof Hand Set Stations and Loudspeakers Even Under Line Fault Conditions
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.