Superposed telegraph system and bridge duplex set for use with such systems,申请号US19290390341-传众专利搜索

首页产品黄页商标征信

会员服务注册登录

法人/股东/高管

发明名称	Superposed telegraph system and bridge duplex set for use with such systems
摘要
申请公布号	US1788316(A)	申请公布日期	1931.01.06
申请号	US19290390341	申请日期	1929.09.04
申请人	THE WESTERN UNION TELEGRAPH COMPANY	发明人	MORGENSTERN RONALD V.
分类号	H04L5/20	主分类号	H04L5/20
代理机构		代理人
主权项
地址

您可能感兴趣的专利

CLOCK GENERATING CIRCUIT

DIGITAL PHASE SYNCHRONIZATION CIRCUIT

EXCITATION CONTROLLER FOR CROSS COMPOUND GENERATOR

REFLECTING MIRROR

COMPOSITING UNIT OF HEAD-UP DISPLAY

DRIVING DEVICE FOR SAMPLE STAGE OF ANALYSER

POLARIZING PLATE

SEMICONDUCTOR DEVICE

MOUSE THAT CAN BE SWITCHED IN SENSITIVITY OVER MOUSE OPERATION

SOUNDPROOF STATIONARY INDUCTION ELECTRIC APPARATUS

CHIP-SHAPED ELECTRONIC COMPONENT AND MANUFACTURE THEREOF

RECORDING MEDIUM CASSETTE

MECHANISM FOR EJECTING TAPE CASSETTE OF MAGNETIC RECORDING/REPRODUCING APPARATUS

CASSETTE-LOADING MECHANISM RECORDING/REPRODUCING APPARATUS

LIGHTING SYSTEM

PROGRAM TRANSMISSION SYSTEM

MANUFACTURING SYSTEM FOR GLASS OR PLASTIC CONTAINER

PACKAGE FOR CONTAINING SEMICONDUCTOR CHIP