Coal mining machine with collapsible head,申请号US19520264880-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	Coal mining machine with collapsible head
摘要
申请公布号	US2705624(A)	申请公布日期	1955.04.05
申请号	US19520264880	申请日期	1952.01.04
申请人	GOODMAN MANUFACTURING COMPANY	发明人	ROBBINS JAMES S.
分类号	E21C27/22	主分类号	E21C27/22
代理机构		代理人
主权项
地址

您可能感兴趣的专利

Home monitoring settings based on weather forecast

Measuring system

Fuel management system and method

Developer cartridge

Static eliminating device and image forming apparatus

Intermediate transfer member and method of manufacture

Development apparatus and image forming apparatus

Developer container, developing device, processing unit, image forming device, and method of manufacturing developer container

Laser module and scanner projector

Liquid crystal display and liquid crystal display panel

Electrically switchable light-modulating cell with via for image display apparatus

Calibration of micro-mirror arrays

Imaging lens, camera and hand-held data terminal device

Optical-fiber interconnect cable

Optical assembly with diffractive optical element

Light guide plate having embedded impurities and method for the production thereof

Light guide plate and backlight module

Polarizer protective film, polarizer, and liquid crystal display device