Two-way signal transmission system,申请号US19410395697-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	Two-way signal transmission system
摘要
申请公布号	US2277126(A)	申请公布日期	1942.03.24
申请号	US19410395697	申请日期	1941.05.29
申请人	BELL TELEPHONE LABORATORIES, INCORPORATED	发明人	MITCHELL DOREN
分类号	H04B3/20	主分类号	H04B3/20
代理机构		代理人
主权项
地址

您可能感兴趣的专利

A TERMINAL INSTALLED WITH THE APPLICATION FORM PROVIDING DIGITAL ENGLISH LEARNING CONTENTS

HIGH EFFICIENCY HEAT PUMP SYSTEM, AND SUPER-COOLING AND HEAT ABSORPTION COMPENSATION APPARATUS THEREOF

HIGH PRESSURE LAMIANTE FLOOR-BOARD

NANO PATTERNED OPTICAL SHEET AND METHOD FOR MANUFACTURING THE SAME

ENVIRONMENT-FRIENDLY FLOORING MATERIALS RESIN COMPOSITION AND FLOORING CONSTRUCTING METHOD USING THE SAME

CONTROL APPARATUS AND METHOD FOR VEHICLE HEAD UNIT SYSTEM

RECEPTACLE CONNECTOR INCULUDING THE IMPROVED CONTACT ARRAY STRUCTURE

PRISMATIC BATTERY CELL HAVING TWO OR MORE CASE MEMBERS

SELECTABLE STYLES FOR TEXT MESSAGING SYSTEM USER DEVICES

EDUCATING METHOD FOR PUBLIC OFFICIAL

NOVEL ORGANIC ELECTROLUMINESCENCE COMPOUNDS AND ORGANIC ELECTROLUMINESCENCE DEVICE COMPRISING THE SAME

A METHOD FOR RECHARGING ONE OR MORE EELECTRONIC DEVICES AND A RECHARGING APPARATUS THEREFOR

HORSESHOE SHAPED PIPE FOR TUNNEL AND ROOF TYPE TUNNEL CONSTRUCTING METHOD USING THEREOF

METHOD FOR STROKE INFARCTION SECTION CLASSIFICATION

LIGHT-EMITTING DIODE DISPLAY SCREEN

METHOD AND DEVICE FOR REPAIRING DAMAGE TO A CONTAINER WALL LOCATED UNDER WATER

DEFROSTING APPARATUS FOR A FLOATING STRUCTURE

PHARMACEUTICAL FORMULATION CONTAINING THIENOTRIAZOLODIAZEPINE COMPOUNDS

Perfume Composition having the fragrance of Cymbidium goeringii Reichb