High-frequency vacuum tube oscillator,申请号US19420470061-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	High-frequency vacuum tube oscillator
摘要
申请公布号	US2351744(A)	申请公布日期	1944.06.20
申请号	US19420470061	申请日期	1942.12.24
申请人	FEDERAL TELEPHONE AND RADIO CORPORATION	发明人	CHEVIGNY PAUL GEORGES
分类号	H01J19/80	主分类号	H01J19/80
代理机构		代理人
主权项
地址

您可能感兴趣的专利

Container for cartridge

Lighter-than-air vehicle

Selective call receiver

Loudspeaker housing

Writing instrument with light assembly

Hand grip exerciser

Portable forced-air electric heater

Camera support and stabilizing system

Peripheal mucosa orthodontic tray

Electric blower

Pouring attachment for paint containers

Container lid with automatic closure

DEVICE FOR TRANSMITTING DRIVING FORCE

TERMINAL MEANS FOR LEAD STORAGE BATTERY

REFRIGERATOR CASE

CAM SHAFT COVER PACKING

GUM ROLLER INPUT DEVICE AUTOMATICALLY

SURFACE TREATMENT OF OHTHALMIC LENS