METHOD AND MEANS FOR RINGING A TELEPHONE SUB-SET,申请号CAD854316-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	METHOD AND MEANS FOR RINGING A TELEPHONE SUB-SET
摘要
申请公布号	CA854316(A)	申请公布日期	1970.10.20
申请号	CAD854316	申请日期	1969.08.18
申请人	NORTHERN ELECTRIC COMPANY LIMITED	发明人	RONAN M. CAMBRIDGE
分类号	H04M19/02;H04Q5/00	主分类号	H04M19/02
代理机构		代理人
主权项
地址

您可能感兴趣的专利

Energy storage system

Method of manufacturing tire inner tubes

A METHOD FOR PREPARING REFORMED COAL FOR BLASTTFURNACE COKE MANUFACTUR ING

METHOD FOR DETECTING ERRONEOUS OPERATION IN A SLOT MACHINE

XXY TRANSFER DEVICE

Artificial hip joint with novel stem

Frequency modulating and demodulating method and apparatus

Four beam printed antenna for Doopler application

Channeling method and apparatus

Production of acetic acid using a vanadium tetroxide/non-porous silica co-catalyst composition

Hydrophilic polymeric carriers of biologically active compounds and method of preparing the same

Process for purifying sorbic acid

Fluid processing apparatus

Automatic apparatus for dispensing radiodiagnostic agents and method therefor

COMMUTATIOM TICKET HOLDER ADAPTED FOR AUTOMATIC WICKET MACHINE

MEN*S UNDERWEAR

PREPARATION OF POLYESTER

METHOD FOR FORMING COATED SURFACES BY SPRAYING

METHOD AND APPARATUS FOR DEGASING FUEL