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
Wave transmission network
摘要
申请公布号
US2284529(A)
申请公布日期
1942.05.26
申请号
US19390288287
申请日期
1939.08.04
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
MASON WARREN P.
分类号
H01P1/202;H01P5/02;H01P5/04;H03H7/38
主分类号
H01P1/202
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Rain-storage tank
Shear beam and Cutting chip removal apparatus of slab comprising it
humanoid robot
joint drive apparatus
PHOTOPOLYMERIZABLE INKJET INK, INK CARTRIDGE, AND INKJET RECORDING DEVICE
DEVICE AND METHOD FOR RAISING AND LOWERING A ROLLER ON AN APPLICATION TABLE WITH A SHIELDED SWITCH
LAMINATOR TABLE
VEHICLE-BODY INCLINATION DEVICE AND DOUBLE-LAYER THREE-WAY VALVE USED IN VEHICLE-BODY INCLINATION DEVICE
DEVICE FOR ADDRESSING LINES OF A CONTROL CIRCUIT FOR AN ACTIVE DETECTION MATRIX
PAINT CUP ASSEMBLY WITH AN EXTENDED RING
Insektenschutz für RWA- und Lüftungsklappen in gewölbten Lichtbändern und Satteldach-Lichtbändern
ANTIMICROBIAL SOLID AND METHODS OF MAKING AND USING SAME
TRANSFORM-DOMAIN CODEBOOK IN A CELP CODER AND DECODER
SLOW RELEASE PHOSPHOCEMENT
HEAT TREATMENT BY INJECTION OF A HEAT-TRANSFER GAS
ARTICLE INCLUDING VISUAL SIGNAL FOR COMMUNICATION OF DEPTH PERCEPTION
COMPACTING AND INJECTION MOULD FOR FIBROUS PREFORM INTENDED FOR THE MANUFACTURE OF A TURBOMACHINE FLOW-STRAIGHTENER VANE MADE OF COMPOSITE MATERIAL
SYSTEM AND METHOD FOR HYDROCARBON PAY ZONE DEFINITION IN A SUBTERRANEAN RESERVOIR
Ophthalmochirurgisches Lasersystem mit einem femtosekunden Laser
COMPOSICIONES DE ETANOL