Teletypewriter selector system,申请号US19320589841-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	Teletypewriter selector system
摘要
申请公布号	US1946216(A)	申请公布日期	1934.02.06
申请号	US19320589841	申请日期	1932.01.30
申请人	BELL TELEPHONE LABORATORIES, INCORPORATED	发明人	KINKEAD FULLERTON S.
分类号	H04L12/12	主分类号	H04L12/12
代理机构		代理人
主权项
地址

您可能感兴趣的专利

Improvements in and relating to servo-assisted steering gears

Improvements in vehicle-mounted concrete mixers and agitators

Improvements in or relating to shoes, their manufacture and materials for use in their manufacture

Procédé de prèparation de di(hydroxyaryl) alcanes.

Control device for a grinding machine

Improvements in or relating to hard-tops for motor cars

Improvements relating to apparatus for the automatic moulding of plastic or rubbery articles

Method and means for electrical connection

Means of preventing hydrogen embrittlement in metals exposed to aqueous electrolytes

Improvements relating to electrolyte compositions for use in electrochemical batteries

Process for polymerizing 1,3-butadiene

Polyisocyanate modified polycarbonates

New trisazo dyestuffs and method for their preparation

Improvements relating to apparatus for deriving pseudostereophonic signals

Poly(4-methyl-pentene-1) and articles produced therefrom

Improvements in and relating to fertilizers

Variable-speed transmission

Improvements in dressings for wounds

The production of yarns

Improvements in or relating to safety harnesses for persons in vehicles