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
Automatic telephone system
摘要
申请公布号
US2099429(A)
申请公布日期
1937.11.16
申请号
US19340724238
申请日期
1934.05.07
申请人
ASSOCIATED ELECTRIC LABORATORIES, INC.
发明人
OSTLINE JOHN E.
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
Broadening the molecular weight distribution of polyolefins materials made in a horizontal stirred gas phase reactor
Polymerizable monomer, graft copolymer, and surface modifier
Antifoaming agent for vinyl chloride resin slurry
Soluble anion exchangers from hyperbranched macromolecules
Active compound combinations having insecticidal and acaricidal properties
Thiophene analogues for the treatment or prevention of flavivirus infections
Stable formulations, and methods of their preparation and use
TRPV4 antagonists
Methods and compositions for treating conditions of the eye
Topical method for prompt relief of severe ascites
Nucleoside aryl phosphoramidates and their use as anti-viral agents for the treatment of hepatitis C virus
Method for controlling cartridge of welding helmet having display function of welding operation time
Image transfer method, image transfer system, and projector
Auxiliary display device driver interface
Apparatus and method for clearing water from dish antenna covers
Computer with antenna
MIMO antenna having plurality of isolation adjustment portions
Wireless positioning method, wireless positioning apparatus, and mobile station
Analog-digital converter and converting method using clock delay
Movement detection device