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
Piezoelectric device
摘要
申请公布号
US2105010(A)
申请公布日期
1938.01.11
申请号
US19330658649
申请日期
1933.02.25
申请人
THE BRUSH DEVELOPMENT COMPANY
发明人
SAWYER CHARLES BALDWIN
分类号
H04R17/00
主分类号
H04R17/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
SYSTEM FOR MULTICAST BROADCASTING TOWARDS AT LEAST ONE ROAMING USER TERMINAL IN A MOBILE IP NETWORK
THERMOPLASTIC HALOGENATED POLYMER COMPOSITION
METHOD AND DEVICE FOR CONVERTING ENERGY
CONDUCTIVE PATTERN, CIRCUIT BOARD AND THEIR PRODUCTION METHOD
Method for detecting signal and estimating symbol timing
Technique for increased exposure range in image sensors
Use of proteases for decomposing allergens
Vendor-driven, social-network enabled review collection system
SYSTEM AND METHOD FOR MANAGING MEDICAL FACILITY PROCEDURES AND RECORDS
Enhancing the watertightness of textile sheetlike constructions, textile sheetlike constructions thus finished and use thereof
Step motor
Cell colonies dissecting and transplanting apparatus
Method and device for computing computer-generated video holograms
Integrated circuit packaging device and method for matching impedance
ELECTRIC POWER FLOW CONTROL
NETWORK CALL MANAGEMENT IN CASE OF LOW BATTERY CONDITION OF MOBILE COMMUNICATIONS TERMINALS
NATURAL WATER-INSOLUBLE ENCAPSULATION COMPOSITIONS AND PROCESSES FOR PREPARING SAME
Liquid preparations and surfactant/solvent systems
METHOD FOR PRODUCING INSULATED GATE THIN FILM SEMICONDUCTOR DEVICE
Cosmetic composition
