ROCK-DRILLING APPARATUS,申请号USD3630634-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	ROCK-DRILLING APPARATUS
摘要
申请公布号	US3630634(A)	申请公布日期	1971.12.28
申请号	USD3630634	申请日期	1970.06.26
申请人	WILLIAM MAYALL	发明人	WILLIAM MAYALL
分类号	E21B4/02;(IPC1-7):F01D11/08;F01D1/02	主分类号	E21B4/02
代理机构		代理人
主权项
地址

您可能感兴趣的专利

DIPHENYLAZETIDINONE DERIVATES POSSESSING CHOLESTEROL ABSORPTION INHIBITORY ACTIVITY

Storage unit for remote controls

METHOD AND DEVICE FOR DETECTING DEFECTS OF GLASS SHEET

PROJECTION OPTICAL SYSTEM AND PRODUCTION METHOD THEREFOR, EXPOSURE SYSTEM AND PRODUCTION METHOD THEREFOR, AND PRODUCTION METHOD FOR MICRODEVICE

MONOLITHIC LEAD-SALT INFRARED RADIATION DETECTORS

FIRE SUPPRESSION COMPOSITION AND DEVICE

METHOD FOR IDENTIFYING COMPOUNDS IN A CHEMICAL MIXTURE

Easy lift barrow

METHOD AND SYSTEM FOR RECOVERY OF LATERAL POSITION OF A SERVO SYSTEM WITH RESPECT TO LONGITUDINAL SERVO BANDS OF A MAGNETIC TAPE

LED mounting assembly

SOLVENT-MODIFIED RESIN COMPOSITIONS AND METHODS OF USE THEREOF

Multi-Function Device for Cell Phone

SUPPORT STEERING WHEEL ASSEMBLY CONNECTOR OF VEHICLES

Assembly protective wall

ADVERTISING PAMPHLET IN SHAPE OF A DIARY

A roaster plate of water cooling type with able to being variable diameter

Routing Apparatus for Wireless Communication

ONE-TOUCH BOTTLE CAP FOR PREVENTING FALSIFICATION