Sound reproducing apparatus,申请号US19350022886-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 apparatus
摘要
申请公布号	US2056921(A)	申请公布日期	1936.10.06
申请号	US19350022886	申请日期	1935.05.22
申请人	ELECTRO-ACOUSTIC PRODUCTS COMPANY	发明人	FREIMANN FRANK;FRIESNER JOHN L.
分类号	G11B25/04	主分类号	G11B25/04
代理机构		代理人
主权项
地址

您可能感兴趣的专利

EXERCISE SUPPORT SYSTEM, OUTPUT TERMINAL, SERVER, EXERCISE SUPPORT APPARATUS, EXERCISE SUPPORT METHOD AND EXERCISE SUPPORT PROGRAM

SECONDARY BATTERY ELECTROLYTE COMPOSITION, AND SECONDARY BATTERY

BATTERY CELL AND TEMPERATURE DETECTING PLATE

METHOD FOR SURFACE TREATMENT OF COLLECTOR FOR LITHIUM ION BATTERY

COMMUNICATION RECEIVER WITH ADAPTIVE EQUALIZER

PROGRAM FOR WEB BROWSER

EGI HAVING ELASTIC MATERIAL AND ELASTIC MATERIAL HOLDING TOOL

PACHINKO GAME MACHINE

BATTERY STATE MONITORING CIRCUIT AND BATTERY DEVICE

PNEUMATIC RADIAL TIRE

SERVER DEVICE, CLIENT DEVICE, SERVER BASED COMPUTING SYSTEM, AND PROGRAM

CARTRIDGE COSMETIC CONTAINER

METHOD AND APPARATUS FOR PRODUCING INJECTION-MOLDED PRODUCT

GUIDANCE DEVICE

SECURITY SENSOR, GAME MACHINE, SECURITY DEVICE AND SECURITY METHOD AND PROGRAM

SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF