Method and apparatus for lining a shaft in the earth,申请号US19620244465-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 and apparatus for lining a shaft in the earth
摘要
申请公布号	US3250076(A)	申请公布日期	1966.05.10
申请号	US19620244465	申请日期	1962.12.13
申请人	THE RALPH M. PARSONS COMPANY	发明人	JENKINS RAYMOND W.;RORAFF WILLIAM D.
分类号	E02D5/52	主分类号	E02D5/52
代理机构		代理人
主权项
地址

您可能感兴趣的专利

Torque release clutch

Hydropneumatic power plant

Kneading compaction lug for tamping rollers

Head covering hood

Cleansing device for ball bearing assemblies

Illuminated fountain pen

Hair dyeing comb

Parallel motion and picker stick snubber

Breech loading mortar

Apparatus for dispensing ice cubes

Speed control system for motors

Cartridge feed device for automatic firearms

Automatic phonograph

Procédé pour le traitement de matières cellulosiques contenant de la lignine

IRON-BASE ALLOY

ORGANIC SULPHONATE AND METHOD OF MAKING

Method and apparatus for exercising human internal organs

Improvements relating to twin cylinder air cooled internal combustion engines