Sound recording apparatus,申请号US19400348891-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 recording apparatus
摘要
申请公布号	US2258993(A)	申请公布日期	1941.10.14
申请号	US19400348891	申请日期	1940.07.31
申请人	RADIO CORPORATION OF AMERICA	发明人	MATSINGER HARRY L.
分类号	G11B7/00	主分类号	G11B7/00
代理机构		代理人
主权项
地址

您可能感兴趣的专利

APPLICATION PLATE LOADING DEVICE, PAINTING SYSTEM AND GLASS PLATE

SHEAR AND AGITATION DEVICE

VIBRATORY WASHER

CARBON DIOXIDE ABSORBER

BLOWER TYPE DUST COLLECTOR

BOTTOM SLAB STRUCTURE OF FINAL DISPOSAL SITE

PACHINKO GAME MACHINE

DEVICE FOR GAME, GAME PARLOR SYSTEM, AND METHOD FOR DETERMINING SPECIFIC GAME STATE PERIOD

ULTRASONIC DIAGNOSTIC APPARATUS

DENTURE POLISHING DEVICE

TURBOMACHINE COMBUSTOR HAVING EXTERNALLY FUELED LATE LEAN INJECTION (LLI) SYSTEM

STRUCTURE OF RACK

COMPOSITE GRAPHITE PARTICLE FOR NONAQUEOUS SECONDARY BATTERY NEGATIVE ELECTRODES, NEGATIVE ELECTRODE FOR NONAQUEOUS SECONDARY BATTERIES, AND NONAQUEOUS SECONDARY BATTERY

SIGNAL FLARE HOLDER, AND WARNING FLARE

TOUCH WINDOW AND TOUCH DEVICE INCLUDING THE SAME

SYNTHETIC INFORMATION MANAGEMENT DEVICE AND VOICE SYNTHESIZER