Knock-off block,申请号US19370155300-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	Knock-off block
摘要
申请公布号	US2142611(A)	申请公布日期	1939.01.03
申请号	US19370155300	申请日期	1937.07.23
申请人	LANTZ WILLIAM F	发明人	LANTZ WILLIAM F.
分类号	E21B43/12	主分类号	E21B43/12
代理机构		代理人
主权项
地址

您可能感兴趣的专利

METHOD AND APPARATUS FOR PERFORMING HAND-OVER

METHODS OF ISOLATING ANNULAR AREAS FORMED BY MULTIPLE CASING STRINGS IN A WELL

SLIDING BEARING

SYSTEM OF DISTRIBUTED SOFTWARE QUALITY IMPROVEMENT

A SPRING ELEMENT FOR MATTRESSES AND A METHOD FOR MAKING A SPRING ELEMENT FOR MATTRESSES

FLOW CONTROL VALVE FOR A HAND HELD BIDET SHOWER

CENTER PILLAR WEATHER STRIP

WATER- AND OIL-REPELLENT COATING FILM AND ARTICLE CONTAINING SAME

COMPRESSOR UNIT COMPRISING A CENTRIFUGAL COMPRESSOR AND AN ELECTRIC MOTOR

AFFINITY-BASED PAGE NAVIGATION

Steam condenser with cross-flow heat exchanger

Method for estimating and resetting of the state of charge of a battery cell

COMBINATION COMPRISING AN ANCHOR FOR SLAB-SHAPED COMPONENTS AND FASTENING ARRANGEMENT

Printing apparatus

AIR CONDITIONER AND OPERATION CONTROL METHOD THEREFOR

A wavelength routing cross-connect

Agricultural machine

TREATMENT OF TOBACCO MATERIAL

New hair fixative with sorbitol