Ladder for elevator car emergency exits,申请号US19380208797-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	Ladder for elevator car emergency exits
摘要
申请公布号	US2148099(A)	申请公布日期	1939.02.21
申请号	US19380208797	申请日期	1938.05.19
申请人	OTIS ELEVATOR COMPANY	发明人	BRAY JOHN RUSSELL
分类号	B66B5/02;E06C1/38	主分类号	B66B5/02
代理机构		代理人
主权项
地址

您可能感兴趣的专利

Organosiliciumverbindungen mit primaere Hydroxylgruppen enthaltenden organischen Resten und Verfahren zu ihrer Herstellung

PARALLAX CORRECTION COMPUTER

FILTER MEDIA HAVING AN INCREASED FILTER AREA

DUAL AGENT FIREFIGHTING NOZZLE AND APPARATUS

PLATE HEAT TRANSFER APPARATUS

TRANSMISSION CONTROL

COUPLER ASSEMBLY

INDEXING VERTICAL ROTARY MASK-WASHING MACHINE

RESONANT PULSE JET FOGGER

UNBALANCED SLEEVE THERMOSTAT

WIRE HANDLING APPARATUS

TUBULAR CUTTING TOOLS

CALENDER WITH REMOVABLE BEARING PRESSURE MECHANISM

MERIDIAN-SEEKING GYROSCOPE EMPLOYING A SIMULTANEOUSLY ROTATING AND VIBRATING BASE