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
Ultra high frequency modulator
摘要
申请公布号
US2217280(A)
申请公布日期
1940.10.08
申请号
US19380232629
申请日期
1938.09.30
申请人
RADIO CORPORATION OF AMERICA
发明人
KOCH WINFIELD R.
分类号
H03C3/28
主分类号
H03C3/28
代理机构
代理人
主权项
地址
您可能感兴趣的专利
METHOD FOR FABRICATING LIQUID CRYSTAL DISPLAY DEVICE USING METAL GETTERING METHOD
HALF TRANSMITTANCE TYPE LIQUID CRYSTAL DEVICE AND METHOD FOR FABRICATING THE SAME
TIRE TREAD RUBBER COMPOSITION FOR TRUCK AND BUS
HARMONICS REMOVAL EQUIPMENT THAT POSSESS ELECTRIC POWER CURTAILMENT FUNCTION
FABRICATION METHOD FOR TWO-PHASES BRASS HAVING EXCELLENT SUPERPLASTIC FORMABILITY
COLUMN SPACER FOR CONTROLLING CELL GAP AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME
LIGHT GUIDE PANEL OF BACK LIGHT THAT HAVE MULTI FUNCTION
LIQUID DETERGENT COMPOSITION FOR DISHWASHING
Rullestol
ARTHROPODICIDAL ANTHRANILAMIDES, COMPOSITIONS CONTAINING THE SAME, THEIR USE AND THE NEW INTERMEDIATES
ZONED DISPOSABLE ABSORBENT ARTICLE FOR URINE AND LOW-VISCOSITY FECAL MATERIAL
Ramme til skidsteer læsser
Opening and shutting valve flow control system of sewage disposal system
Device and method for enhancing zinc yield from bottom dross
COMPOSITION FOR COATING ASPHALT CONCRETE PAVEMENT AND COATING METHOD THEREOF
FRINGE FIELD SWITCHING MODE LIQUID CRYSTAL DISPLAY
SAFE MANAGEMENT SYSTEM IN RAILWAY CROSSING
FFS TRANSFLECTIVE TYPE LIQUID CRYSTAL DISPLAY DEVICE
METHOD AND APPARATUS FOR MAKING NAP
Methods for fabricating semiconductor device
