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
Digit registering means responsive to selective frequencies
摘要
申请公布号
US2434898(A)
申请公布日期
1948.01.27
申请号
US19460641592
申请日期
1946.01.16
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
BASCOM HENRY M.;HUBBARD GENEVIEVE M.
分类号
H04Q3/42
主分类号
H04Q3/42
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Wind turbine generator having a detection unit for detecting foreign object inside rotor and operating method thereof
System and method for toy adoption and marketing
HIV integrase inhibitors
Movable barrier operator synchronization system and method
Adaptive commerce systems and methods
Aligned nanostructured polymers
Reversible baseboard for covering at least a flooring border
Method and system for storing clients' access permissions in a cache
Biological specimen collection and transport system and methods of use
Split flow contactor
System for optimizing power generating unit
Filtration systems and fitting arrangements for filtration systems
Digital photo frame with dial-a-tag functionality
Machine for fitting and removing the tires of vehicles
Gaming system, gaming device and method providing competitive wagering games
Recirculation switch for blood cardioplegia
Methods of treating a disorder by inhibiting expiration
Photographic lens system and image pickup apparatus
Knee joint with a ramp
Recoil starter system
