Method of drilling,申请号US19540463045-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	Method of drilling
摘要
申请公布号	US2729426(A)	申请公布日期	1956.01.03
申请号	US19540463045	申请日期	1954.10.18
申请人	HOUGH SOILS ENGINEERING LABORATORIES	发明人	SMITH JULIAN C.
分类号	C09K8/38	主分类号	C09K8/38
代理机构		代理人
主权项
地址

您可能感兴趣的专利

FLASH MEMORY DEVICE WITH REDUCED ACCESS TIME

Methods of resizing partition

SYSTEM AND METHOD FOR MANAGING DISK SPACE IN A THIN-PROVISIONED STORAGE SUBSYSTEM

Method and arrangement for randomly storing data

Method and apparatus for in-built searching and aggregating functionality

Apparatus that helps facilitate clean hands and teeth

Digital communication method and system

Non-volatile semiconductor device and method for automatically recovering erase failure in the device

Driving mechanism

Optical pickup apparatus

Information recording medium, information recording apparatus and method, information reproduction device and method, information recording/reproduction device and method, recording or reproduction control computer program, and data structure containing a control signal

System for creating control structure for versatile content control

Use of butylene terephthalate for producing thermoplastic dental prostheses

Differential/single-ended input stage

Optical system of a projection exposure apparatus

Panel and panel manufacturing method

Circuit arrangement for a capacitive proximity switch

Guidewire with deflectable tip

INDUCTION AND SWITCHED RELUCTANCE MOTOR