首页
产品
黄页
商标
征信
会员服务
注册
登录
全部
|
企业名
|
法人/股东/高管
|
品牌/产品
|
地址
|
经营范围
发明名称
Side hole coring device
摘要
申请公布号
US2386514(A)
申请公布日期
1945.10.09
申请号
US19420446551
申请日期
1942.06.11
申请人
REED ROLLER BIT COMPANY
发明人
STOKES JOHN C.
分类号
E21B7/06;E21B49/06
主分类号
E21B7/06
代理机构
代理人
主权项
地址
您可能感兴趣的专利
DIFFERENTIATED ACCESS FOR MOBILE DEVICE
IMPROVED ISOLATION BARRIER
MULTIPLE-JUNCTION PHOTOVOLTAIC CELL BASED ON ANTIMONIDE MATERIALS
VEHICLE CONTROL SYSTEM AND METHOD
PHOSPHONATE NUCLEOSIDES USEFUL IN THE TREATMENT OF VIRAL DISEASES
METHOD AND DEVICE FOR ENCODING A HIGH-DYNAMIC RANGE FRAME AND/OR DECODING A BITSTREAM
5-(HETERO)ARYL-PYRIDAZINONES AND THEIR USE AS HERBICIDES
DRIMENOL SYNTHASES AND METHOD FOR PRODUCING DRIMENOL
DOOR PILLAR OF A MONOCOQUE MOTOR VEHICLE BODY
SYSTEM FOR ASSISTING IN DRIVING A VEHICLE
JUICER JUG
INSTALLATION-SPACE-OPTIMIZED COOLING JACKET FOR AN ELECTRIC MACHINE
COMPOSITIONS FOR PROMOTING THE HEALING OF WOUNDS
METHOD AND DEVICE FOR ENCODING A HIGH-DYNAMIC RANGE FRAME AND/OR DECODING A BITSTREAM
STEREOSELECTIVE SYNTHESIS OF INTERMEDIATES IN THE PREPARATION OF ß-C-ARYLGLUCOSIDES
SEQUENCING PROCESS
GEOPOSITIONING METHOD
WAFER PROCESSING METHOD
EVAPORATOR SOURCE FOR SURFACE TREATMENT OF SUBSTRATES
POLYPROPYLENE COMPOSITION FOR AUTOMOTIVE INTERIOR APPLICATIONS
