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
Signaling system
摘要
申请公布号
US2008264(A)
申请公布日期
1935.07.16
申请号
US19330704371
申请日期
1933.12.29
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
SOFFEL ROBERT O.
分类号
H04Q1/32
主分类号
H04Q1/32
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Nearly orthogonal latin hypercubes for optimization algorithms
DETERMINATION OF BANDING START PRICE FOR ORDER EVALUATION
AUTOMOTIVE DIAGNOSTICS AND MARKETING SYSTEMS AND METHODS
METHODS AND SYSTEMS FOR TARGETING MOBILE DEVICES DURING CHARGING
DEPLOYING DISPATCH FORM WITH IMPLIED WORKFLOWS TO MOBILE DEVICES
TECHNIQUES FOR CUSTOMIZING AND DELIVERING WELLNESS PRODUCTS AND SERVICES
Methods and Apparatus for Vehicle Computing System Software Updates
METHOD FOR PRINTING THREE-DIMENSIONAL PARTS WITH ADDITIVE MANUFACTURING SYSTEMS USING SCAFFOLDS
VACUUM REGULATOR WITH PRE-SET AND CALIBRATION FEATURES
Sustained-Release Formulations Comprising Crystals, Macromolecular Gels, and Particulate Suspensions of Biologic Agents
ENVIRONMENTALLY BENEFICIAL RECYCLING OF BRINES IN THE PROCESS OF REDUCING FRICTION RESULTING FROM TURBULENT FLOW
ELECTRIC CABLE WITH SHIELDED CONNECTOR
AUTOMATIC DRAFT CONTROL SYSTEM FOR COKE PLANTS
Disc Brake Pad Mounting and Retention System and Method
Detachable Junction Box Base
THERMAL STRAPS FOR SPACECRAFT
VALVE TIMING CONTROL APPARATUS OF INTERNAL COMBUSTION ENGINE
SEED LAYER FOR ZnO AND DOPED-ZnO THIN FILM NUCLEATION AND METHODS OF SEED LAYER DEPOSITION
CONNECTION UNIT FOR CONNECTING SAW BLADE TO HANDLE
High-throughput multi laser wave mixing methods and apparatus
