SOUND AMPLIFYING APPARATUS FOR TELEPHONE AND LIKE CIRCUITS,申请号CAD611607-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	SOUND AMPLIFYING APPARATUS FOR TELEPHONE AND LIKE CIRCUITS
摘要
申请公布号	CA611607(A)	申请公布日期	1961.01.03
申请号	CAD611607	申请日期
申请人	DONALD C. BEATTY	发明人	DONALD C. BEATTY
分类号		主分类号
代理机构		代理人
主权项
地址

您可能感兴趣的专利

Rivet collating system including rivet holder and method of forming the same

Dry mechanical conveyor plant for pyrites and coal dust

Stopper rod for delivering gas into a molten metal

Device for and method of separating particles

Use of phosphated alcanols as dispersants, emulsifiers, hydrotropes, wetting agents and compatability agents in agricultural compositions

1-Heterocyclyl-1,5-dihydro-pyrido[3,2-b]indol-2-ones

Tooth and adaptor assembly

Imidazo-benzodiazepine derivatives

System & method for distributing software licenses

Method of generating verification data

Process for recovering methanol

Two part fastener system

Post-foaming dental mousse and methods utilizing the same

Anti-IGF-I receptor antibody

Building modules

Proximity detection system

Surface treatment method and surface treatment apparatus

Method for inhibiting prebiotic effect of food proteins