Selective switching system,申请号US19310559842-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	Selective switching system
摘要
申请公布号	US1898305(A)	申请公布日期	1933.02.21
申请号	US19310559842	申请日期	1931.08.28
申请人	BARITONE RADIO CORPORATION	发明人	MACY ALFRED J.
分类号	H04M1/52	主分类号	H04M1/52
代理机构		代理人
主权项
地址

您可能感兴趣的专利

Enhanced body conformance with the use of free flowing particles

Biological specimen collector and container with stand

Addition of odorants to gases for leak detection

Human hyperpolarization-activated cyclic nucleotide-gated cation channel hcn3

Method and apparatus for recording a multi-component stream and a high-density recording medium having a multi-component stream recorded thereon and reproducing method and apparatus of said recording medium

Ventilation path for a disk drive apparatus

Surface-treated plastic article and method of surface treatment

Liquid crystal display and driving method thereof

Apparatus, methods and articles of manufacture for a multi-band switch

High efficiency electromagnetic beam projector, and systems and methods for implementation thereof

Battery connector

Disposable boxer brief

Acid activated montmorillonite based filtration aid

Cu-base amorphous alloy

Method and apparatus for determining positive audience response

Reciprocating compressor with a linear motor

BICYCLE ELECTRONIC CONTROL DEVICE WITH A RESET FUNCTION

Bar code scanner

Selective reaction of hexafluoropropylene oxide with perfluoroacyl fluorides