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
US1922232(A)
申请公布日期
1933.08.15
申请号
US19310529680
申请日期
1931.04.13
申请人
SIEMENS BROTHERS & COMPANY LIMITED
发明人
CHRISTIAN DAVID ADAM
分类号
F16K3/08;H04M7/06;H04M7/10;H04Q3/00
主分类号
F16K3/08
代理机构
代理人
主权项
地址
您可能感兴趣的专利
GLUTAMATE OXIDASE MUTAGENESIS FOR DIAGNOSTIC TESTING
RETAIL ITEM MANAGEMENT USING WIRELESS SENSOR NETWORKS
NEURAL NETWORK AND METHOD OF PROGRAMMING
METHOD FOR INDUCING SPAWNING OF PISCIVOROUS FISH FOR MARINE PRODUCTS
PUMP UNIT
INTERBODY STANDALONE INTERVERTERBRAL IMPLANT
LAWN MOWER MOTOR AND DRIVE
WIRELESS POWER TRANSMISSION SYSTEM
METHOD FOR PREPARING AND TREATING A STEEL SUBSTRATE
CHIP MODE ISOLATION AND CROSS-TALK REDUCTION THROUGH BURIED METAL LAYERS AND THROUGH-VIAS
SIMPLIFICATIONS ON DISPARITY VECTOR DERIVATION AND MOTION VECTOR PREDICTION IN 3D VIDEO CODING
TERAHERTZ ELECTROMAGNETIC WAVE GENERATION DEVICE, TERAHERTZ SPECTROSCOPIC DEVICE, AND METHOD FOR GENERATING TERAHERTZ ELECTROMAGNETIC WAVE
A FRAME ASSEMBLY FOR AN AIR FILTER
AUSTENITIC HEAT-RESISTANT CAST STEEL AND METHOD FOR MANUFACTURING THE SAME
SYSTEM AND METHOD TO DETERMINE DEPTH FOR OPTICAL WAFER INSPECTION
INTERLEAVED ACOUSTO-OPTICAL DEVICE SCANNING FOR SUPPRESSION OF OPTICAL CROSSTALK
SYSTEM, METHOD, AND PRODUCT FOR AN ADHESIVE STRIP CONFIGURED TO SELECTIVELY DISPENSE A FLUID
SYSTEM AND METHOD FOR AUTOMATICALLY ACTIVATING A FUNCTION OF A MOBILE DEVICE WITH ANOTHER DEVICE
METHOD FOR ESTIMATING FULLY-CHARGED POWER CAPACITY, AND DEVICE
HEATING CONTROL ARRANGEMENT FOR AN ELECTRONIC SMOKING ARTICLE AND ASSOCIATED SYSTEM AND METHOD
