Core drilling apparatus,申请号US19620184180-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	Core drilling apparatus
摘要
申请公布号	US3095049(A)	申请公布日期	1963.06.25
申请号	US19620184180	申请日期	1962.04.02
申请人	DU BERGER ROLAND JOSEPH	发明人	BERGER ROLAND JOSEPH DU
分类号	E21B25/00	主分类号	E21B25/00
代理机构		代理人
主权项
地址

您可能感兴趣的专利

COIN COUNTING INSTRUMENT OF COIN PROCESSING APPARATUS

Combination powered grooming device

SISTEMA DE EXPANSION INTERNA/COMPRESION EXTERNA PARA RETENCION DE PILARES TRANSEPITELIALES ENTRE SI Y A IMPLANTES O PROTESIS.

BORDILLO MODULAR PARA RECARGA DE VEHICULOS ELECTRICOS

Integrated animal management system and method

BIOMETRICS EQUIPMENT

Combined pharmaceutical formulation with controlled-release comprising Dihydropyridine calcium channel blockers and HMG-CoA reductase inhibitors

SILICONE RESIN COMPOSITION AND MOLDINGS THEREOF

Interprogram communication using messages related to events and actions on an exchange

FILM FORMING APPARATUS

Organic inorganic composite powder, method of producing the same, and composition containing the powder

BLACK MATERIAL, BLACK PARTICLE DISPERSION LIQUID, BLACK LIGHT-BLOCKING FILM USING SAME, AND BASE WITH BLACK LIGHT-BLOCKING FILM

Self-assembling nanoparticle drug delivery system

PLASTIC MODULAR RADIATOR ELEMENT FOR BUILDING HEATING SYSTEMS

Gaming machine arranging two symbol columns in the same order

Bonus game for gaming machine providing player with deal or no deal options

Protein fragment complementation assays for high-throughput and high-content screening