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
Electron tube
摘要
申请公布号
US1859454(A)
申请公布日期
1932.05.24
申请号
US19300431121
申请日期
1930.02.25
申请人
MIESSNER INVENTIONS INC.
发明人
MIESSNER BENJAMIN F.
分类号
H01J1/20
主分类号
H01J1/20
代理机构
代理人
主权项
地址
您可能感兴趣的专利
ADAPTION OF A STATIONARY MAXIMUM TORQUE OF AN INTERNAL COMBUSTION ENGINE
Electrophotographic Developer Carrier Core Material, Electrophotographic Developer Carrier, Methods of Manufacturing the Same, and Electrophotographic Developer
Game apparatus and storage medium storing game program
IMAGE PROCESSING DEVICE
Dried amnion and method for drying teatment of amnion
MOBILE COMMUNICATION DEVICE WITH REPLACEABLE FUNCTIONAL MODULES
Pre-filming air-blast fuel injector having a reduced hydraulic spray angle
A WIND TURBINE, A BLADE THEREFOR AND A METHOD OF PROCESSING SIGNALS REFLECTED THEREFROM
SUPERCONDUCTING ELECTROLYTIC HYBRID MATERIAL, AND PREPARATION METHOD AND USES THEREOF
Toolbox
WELD-ON-WELD DEVICE
Method for Calculating Score for Search Query
PROJECTION OPTICAL SYSTEM AND PROJECTION TYPE DISPLAY USING THE SAME
INSERTION OF A MEDICAL NEEDLE
SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING THE SAME
METHOD OF MODULATING NEOVASCULARIZATION
Brake light warning system with early warning feature
ACCESSORY DEVICE FOR A FIELD TRANSMITTER
Optical Device With A Graded Bandgap Structure And Methods Of Making And Using The Same
TWO BIT U-SHAPED MEMORY STRUCTURE AND METHOD OF MAKING THE SAME
