首页
产品
黄页
商标
征信
会员服务
注册
登录
全部
|
企业名
|
法人/股东/高管
|
品牌/产品
|
地址
|
经营范围
发明名称
ELECTROMAGNETIC SIGNALLING DEVICE
摘要
申请公布号
CA371243(A)
申请公布日期
1938.01.18
申请号
CAD371243
申请日期
申请人
THE ASSOCIATED TELEPHONE AND TELEGRAPH COMPANY
发明人
HERBERT F. OBERGFELL
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
FEEDER SYSTEM
BIOLOGICAL DESULFURIZATION APPARATUS FOR BIOGAS
INTEGRATED SEMICONDUCTOR DEVICE
METHOD FOR PROCESSING SQUEEZED RESIDUE OF PALM FRUIT AND MESOCARP THEREOF
e-LEARNING TEST SYSTEM
COMPOSITION FOR INORGANIC COATING FILM FORMATION
CORE FOR REACTOR
TRAFFIC INFORMATION MANAGEMENT SYSTEM, TRAFFIC INFORMATION MANAGEMENT METHOD AND SERVER
MEDICAL INFORMATION PROCESSING METHOD, MEDICAL INFORMATION PROCESSING PROGRAM, AND MEDICAL INFORMATION PROCESSOR
ONE-WAY CONDUCTION APPARATUS
RECTANGULAR CONDUCTOR AND LEAD WIRE USING THE SAME
MULTILEVEL INHIBIT SCHEME
EXTENDED TWO-FLUID MODEL
EXERCISE INSTRUCTOR SUPPORT SYSTEM
USER NOTIFICATION DEVICE, USER NOTIFICATION METHOD, AND USER NOTIFICATION SYSTEM
MOLDED ARTICLE
PACKAGING MATERIAL FOR FOOD AND ITS MANUFACTURING METHOD
GAMING MACHINE ACCEPTING SIDE BET AND CONTROL METHOD THEREOF
NON-INVASIVE BLOOD COMPONENT MEASURING APPARATUS, METHOD AND COMPUTER PROGRAM FOR NON-INVASIVELY MEASURING BLOOD COMPONENTS
INFORMATION DISTRIBUTION SYSTEM AND ITS INFORMATION DISTRIBUTION APPARATUS