Vacuum tube circuit,申请号US19340745420-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	Vacuum tube circuit
摘要
申请公布号	US2098950(A)	申请公布日期	1937.11.16
申请号	US19340745420	申请日期	1934.09.25
申请人	BELL TELEPHONE LABORATORIES, INCORPORATED	发明人	BLACK HAROLD S.
分类号	H03F1/36	主分类号	H03F1/36
代理机构		代理人
主权项
地址

您可能感兴趣的专利

ORGANIC COMPOUNDS

GROWING PLANTS FROM SEEDS

DOFFING & DONNING APPARATUS

TONERS FOR THE DEVELOPMENT OF LATENT ELECTROSTATIC IMAGES

FOERFARANDE FOER FRAMSTAELLNING AV STAPLAR AV PAOSAR AV TERMOPLASTISK PLAST OCH EN PAO DETTA SAETT FRAMSTAELLD STAPELBAR PAOSE.

HALOGENCYKLOPROPYLFORBINDELSER, DERES FREMSTILLING OG ANVENDELSE SOM HERBICIDT MIDDEL

2-SUBSTITUTED QUINOLINES

AUTOMATIC SHEET FEEDER

CONTAINER TYPE TOILET IMPLEMENT

SILVER DEPOSITING DEVICE

STAB CONNECTOR ASSEMBLY

LIQUID REACTIVE DYE COMPOSITIONS AND THEIR USE

PHOTOGRAPHIC ROLL PRINTER WITH A THREADING DEVICE

DEVICE TO CARRY OUT A RADICAL POLYMERISATION, AND ITS USE

DEVICE FOR DETERMINING OCULAR REFRACTIVE POWER

DEVICE FOR FLOCCULATING SLUDGE IN WATER TREATMENT