RAILWAY SIGNALLING SYSTEM,申请号CAD398649-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	RAILWAY SIGNALLING SYSTEM
摘要
申请公布号	CA398649(A)	申请公布日期	1941.08.12
申请号	CAD398649	申请日期
申请人	THE UNION SWITCH AND SIGNAL COMPANY	发明人	RALPH R. KEMMERER
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

WEB DIVIDEDLY-WINDING DEVICE WITH TAKE-UP ROLL CARRYING-OUT MECHANISM

Apparatus for extracting fats and oils

Dual flexures for coriolis type mass flow meters

Tanner's platform

Wettable, flexible, oxygen permeable, substantially non-swellable contact lens containing polyoxyalkylene backbone units, and use thereof

Exogenously acidified antacid compositions having cytoprotective properties

Synergistic antiviral composition

Method for rendering a flammable polymer material flame-resistant

Process for preparing weather-resistant coatings

MANUFACTURE OF CLAD MATERIAL

X-ray CT apparatus

Omnidirectional distance measurement system

Resistive overlayer for magnetic films

Compensating element for stresses of thermal or mechanical orgin, especially for printed circuits, and process for making such an element employed in a printed circuit

Low calorie ice pop

Method for controlling operation of a blast furnace

Heated channel for plastic injection machines

Wafer inspecting apparatus