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
Phonographic apparatus
摘要
申请公布号
US2008097(A)
申请公布日期
1935.07.16
申请号
US19340709070
申请日期
1934.01.31
申请人
RADIO CORPORATION OF AMERICA
发明人
COOK ELLSWORTH D.
分类号
G11B15/34
主分类号
G11B15/34
代理机构
代理人
主权项
地址
您可能感兴趣的专利
THREE-DIMENSIONAL DISPLAY PROCESSOR, METHOD AND MEDIUM STORING ITS CONTROL PROGRAM
ANALOG/DIGITAL CONVERSION METHOD AND DEVICE FOR VIDEO SIGNAL
IGNITION COIL
DIGITAL RIGHTS MANAGEMENT SYSTEM
AN IMPROVED ELECTRIC MOTOR
ORAL PELLET WITH IMMEDIATE RELEASE COMPRISING GLYCERIDES SUBJECTED TO POLYGLYCOLYSIS, METHOD FOR MAKING SAME
NONTOXIC VERNIX COMPOSITIONS AND METHOD OF PRODUCING
CHEMICAL SURFACE FOR CONTROL OF ELECTROOSMOSIS BY AN APPLIED EXTERNAL VOLTAGE FIELD
METHOD FOR ENABLING A SUBSTANTIALLY CONSTANT TOTAL FUEL ENERGY RATE WITHIN A DUAL FUEL ENGINE
METHOD AND ARRANGEMENT FOR COATING A MOVING WEB OF PAPER OR BOARD
DEVICE FOR IRONING LAUNDRY
BLOWER AND ADJUSTABLE BLOWER NOZZLE ATTACHMENT
HEMOSTATIC CLIP
A METHOD AND OPTICAL DEVICE FOR MEASURING THE DIMENSIONS OF A BODY, IN PARTICULAR OF A TURBINE ROTOR
BRANCH-PIPE FERRULE AND METHOD OF INSERTING SAME IN A LINED MAINS-PIPE
A DETONATOR MEMBER AND A METHOD OF ITS USE
IMPROVED BIOABSORBABLE BONE BLOCK FIXATION IMPLANT
STENT DELIVERY SYSTEM
MAGNETOSTRICTIVE STRESS SENSOR
NETWORK COMMUNICATION DEVICE
