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
Drilling machine switch
摘要
申请公布号
US2159088(A)
申请公布日期
1939.05.23
申请号
US19360059421
申请日期
1936.01.16
申请人
THE JEFFREY MANUFACTURING COMPANY
发明人
JEFFREY ROBERT K.
分类号
E21B3/02
主分类号
E21B3/02
代理机构
代理人
主权项
地址
您可能感兴趣的专利
IN PLANE SWITCHING MODE LIQUID CRYSTAL DISPLAY DEVICE AND FABRICATION METHOD THREROF
METHOD FOR MANUFACTURING CARBONATED BOTTOM ASH
W/O TYPE EMULSION POLYMER CONTAINING ORGANIC COAGULANT AND PROCESS FOR PREPARING THE SAME
POWER AMPLIFIER
Bobbin
Vapor upsteam intercepting control method of washing machine
IMPACT TEST EQUIPMENT FOR THE CORRUGATED METAL MEMBRANE
A CHEMICAL VAPOR DEPOSITION APPARATUS AND A GAS SUPPLY UNIT THEREOF
SECONDARY FILTERING MESH ASSEMBLY FOR DRAIN HOLE
Grriper for rotatable knob
CREMATION FURNACE SYSTEM FOR VERTICAL BASEPLACING COFFIN AND METHOD OF CREMATION FURNACE SYSTEM FOR VERTICAL BASEPLACING COFFIN
LOCK SETTING MOBILE TERMINAL CAPABLE OF USER AND LOCK SETTING METHOD USING THE SAME
METHOD AND DEVICE FOR TRAPPING INK
System for Relaying Authentication Certificate
System for Processing Data
SEMICONDUCTOR DEVICE
PROBE FILM USED PROBE BLOCK AND METHOD FOR MANUFACTURING THEREOF
Composition for undercoating plastic article and two component paint composition comprising the same
METHODE DE DIAGNOSTIC IN VITRO INTER-TISSULAIRE POUR DIAGNOSTIQUER LES TUMEURS DU CERVEAU
TEMPERATURE SENSING ASSEMBLY AND BATTERY MODULE ASSEMBLY EMPLOYED WITH THE SAME
