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
Thermionic tube
摘要
申请公布号
US1970773(A)
申请公布日期
1934.08.21
申请号
US19320623114
申请日期
1932.07.18
申请人
HEINTZ & KAUFMAN, LTD.
发明人
SCOFIELD PHILIP F.
分类号
H01J21/02
主分类号
H01J21/02
代理机构
代理人
主权项
地址
您可能感兴趣的专利
3-ANILINO-THIOPHENE-4-CARBOXYLIC ACIDS,ESTERS,AND AMIDES
PACKING AND SEALING COMPOSITION
SURFACE TREATMENT OF SEMICONDUCTOR DEVICE
GLASS CONTAINER COATED WITH A LUBRICATING FILM COMPRISING CARNAUBA WAX AND POLYVINYL ALCOHOL
DISPLAY CARTON HAVING A FILM OVERLAP
METHOD AND APPARATUS OF HOLOGRAPHIC PLOTTING
INCREASING POULTRY EGGSHELL THICKNESS BY ORALLY ADMINISTERING ADRENERGIC COMPOUNDS
2,3,4,5 - TETRAHYDRO - 1,5,BENZOTHIAZEPINE-4-ONE-3-YL-ACETIC ACID AND ITS METHYL ESTER
NOVEL AZIRIDINE DERIVATIVES AND PRODUCTION THEREOF
ORGANIC SUBSTRATES CONTAINING BORATE OF POLYALKYL - POLYHYDROXYALKYL - AL - KYLENEPOLYAMINE
ABRASIVE-RESISTANT DECORATIVE LAMINATES AND METHOD FOR MAKING SAME
CONTINUOUS SURVEILLANCE PHOTOGRAPHIC RECORDER
COOPERATIVE BRAKE AND DRIVING DEVICE FOR A RECORDING MACHINE
FLUID PRESSURE SENSING MECHANISM OPERATIVELY ARRANGED TO COMPENSATE FOR CHANGING ENVIRONMENTAL CONDITIONS
SEMICONDUCTOR CONTACT AND INTERCONNECTION STRUCTURE
HARDENER FOR WATER GLASS CEMENTS
L-LYXOPYRANOSYLOXY-ALKYLCOUMARIN-CONTAINING GLYCOSIDES
ELASTIC-LATCHING SPACER FOR ROLL-FORMING MACHINES AND THE LIKE
Umlaufschmieranordnung zur Senkung der Öltemperatur für schnellaufende Getriebe, insbesondere Planetengetriebe
ROTARY PISTON INTERNAL COMBUSTION ENGINE
