Sound reproducing system,申请号US19440552271-传众专利搜索

首页产品黄页商标征信

会员服务注册登录

法人/股东/高管

发明名称	Sound reproducing system
摘要
申请公布号	US2546278(A)	申请公布日期	1951.03.27
申请号	US19440552271	申请日期	1944.09.01
申请人	WILLIAM SKENE ROY	发明人	SKENE ROY WILLIAM
分类号	H04R3/00	主分类号	H04R3/00
代理机构		代理人
主权项
地址

您可能感兴趣的专利

DISPLAY SYSTEM, THICK LINE DISPLAYING METHOD, AND INFORMATION PROCESSOR

PICTURE PROCESSING METHOD

SOUND COLLECTION AND RECORDING SYSTEM BY MICROPHONE

MANUFACTURE METHOD FOR ANISOTROPIC ELECTRICALLY CONDUCTIVE CERAMIC COMPOSITE

MULTILAYER CERAMIC CIRCUIT BOARD

METHOD FOR IMPROVEMENT OF BIOLOGICAL USEFULNESS OF PHARMACEUTICALLY EFFECTIVE SUBSTANCE HAVING PEPTIDE BOND

COLORED URETHANE ELASTOMER-COATED HEAVY-DUTY CORROSIONPROOF STEEL MATERIAL

MANUFACTURE OF BRAKE DISK AND BRAKE DISK MANUFACTURED THEREBY

GAS/STEAM ELECTRIC POWER GENERATING FACILITY

RADIO WAVE ABSORBING MATERIAL

ELECTROCONDUCTIVE DECORATION MATERIAL

MANUFACTURE OF SOLID ELECTROLYTIC CAPACITOR

CONTROL METHOD OF DRIVE OF THERMAL TRANSFER PRINTER

AUTOMATIC PLUG INSERTING DEVICE OF DRAWING DEVICE

NARROW BAND LASER DEVICE

CRYSTAL VIBRATOR

METHOD FOR MEASURING INJECTION VELOCITY IN DIE CASTING MACHINE

BOX CONSTRUCTION FOR ELECTRONIC EQUIPMENT

CORE FOR FORMING RECEIVING HOLE IN CAST IRON TUBE