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
Telephonic call magneto
摘要
申请公布号
US2528874(A)
申请公布日期
1950.11.07
申请号
US19500159621
申请日期
1950.05.02
申请人
ARTHUR DUCRUET
发明人
DUCRUET ARTHUR
分类号
H02K21/14
主分类号
H02K21/14
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Surface-discharge plasma display panel
Semiconductor device and manufacturing method for the same
Magnetic memory
ANTIMICROBIAL PACKAGED MEDICAL DEVICE AND METHOD OF PREPARING SAME
DETACHABLE ANEURYSM NECK BRIDGE
POSITION BASED MACHINE CONTROL IN AN INDUSTRIAL AUTOMATION ENVIRONMENT
METHOD AND APPARATUS FOR DIMENSIONAL DESIGN MANAGEMENT
ARTIFICIAL DIELECTRIC SYSTEMS AND DEVICES WITH SINTERED CERAMIC MATRIX MATERIAL
FACING MATERIAL WITH CONTROLLED POROSITY FOR CONSTRUCTION BOARDS
COMPOSITIONS AND METHODS OF TOLERIZING A PRIMATE TO AN ANTIGEN
METHODS AND APPARATUS FOR INCREASING AND EXTENDING OIL PRODUCTION FROM UNDERGROUND FORMATIONS NEARLY DEPLETED OF NATURAL GAS DRIVE
DISPERSION OF TASTE MASKED CRYSTALS OR GRANULES OF ACTIVE SUBSTANCES, CHEWABLE SOFT CAPSULES FILLED WITH SAID DISPERSION, AND PROCESS FOR PREPARING SAME
TRANSMITTER AND METHOD FOR TRANSMITTING MESSAGES ON AN OPTICAL FIBER
CONTROL VALVE ARRANGEMENTS
TRANSACTION PROCESSING WITH PARALLEL EXECUTION
ANALYSIS AND MONITORING OF STRESSES IN EMBEDDED LINES AND VIAS INTEGRATED ON SUBSTRATES
PROCESS FOR THE CATALYTIC HYDROGENATION OF A NITRILE
TRANSMISSION LINE CONDUCTOR ARRANGEMENT
REMOTELY ACTIVATED, MULTIPLE STAGE ALARM SYSTEM
OBJECT-MOVING METHOD, OBJECT-MOVING APPARATUS, PRODUCTION PROCESS AND PRODUCED APPARATUS
