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
Telephone system
摘要
申请公布号
US2169302(A)
申请公布日期
1939.08.15
申请号
US19360076322
申请日期
1936.04.25
申请人
ASSOCIATED TELEPHONE AND TELEGRAPH COMPANY
发明人
TAYLOR REGINALD;BAKER GEORGE THOMAS
分类号
H04Q3/00
主分类号
H04Q3/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Controlling plunger drives for fluid injections in animals
Glass ceramic panel with a pleasing black decoration applied with a decorative paint
Integrated database data editing system
Soybean variety XB009C09
Apparatus and method for question mark-shaped body pillow and support system
Support system for a camera stabilizing device
Substituted tricyclic heterocycles as serotonin receptor agonists and antagonists
Copolyetheresters derived from polyethylene terephthalate
Substituted acid derivatives useful as anti-atherosclerotic, anti-dyslipidemic, anti-diabetic and anti-obesity agents and method
Therapeutic substituted hydantoins and related compounds
Antimony ion implantation for semiconductor components
Semiconductor devices having Fin-type active areas and methods of manufacturing the same
Air register cover assembly
Oxadiazole derivative as DGAT inhibitors
Optically active dihydropyridine derivative
Preparation method of a liquid crystal film having uniaxial alignment and liquid crystal device
Methods, systems, and computer program products for implementing an ad-hoc, autonomous communications network
Component-embedded board fabrication method
Image displaying apparatus
Deployment of configuration information