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
EARTH BORING MACHINE CARRIAGE WITH DETACHABLE PUSHER RING AND POWER FRAMES
摘要
申请公布号
US3610345(A)
申请公布日期
1971.10.05
申请号
USD3610345
申请日期
1969.10.20
申请人
RICHMOND MFG. CO.:THE
发明人
ALBERT R. RICHMOND
分类号
E21B7/20;E21B19/086;(IPC1-7):E21C1/10
主分类号
E21B7/20
代理机构
代理人
主权项
地址
您可能感兴趣的专利
SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME
LINEAR LIGHT SOURCE DEVICE AND IMAGE READING DEVICE
WATTHOUR METER
ORGANIC LIGHT-EMITTING DISPLAY DEVICE AND ITS DRIVING METHOD
HIGH-FREQUENCY INCISION TOOL FOR ENDOSCOPE
POSITION SENSORLESS CONTROL CIRCUIT FOR MOTOR
GAS SENSOR AND ITS MANUFACTURING METHOD
METHOD AND APPARATUS FOR TREATING PHOSPHORIC ACID-CONTAINING WATER
IMAGE DISPLAY DEVICE
SYNCHRONOUS CONTROL APPARATUS
ENGINE EXHAUST EMISSION CONTROL DEVICE
ON-BOARD SYSTEM
CAPACITANCE TYPE ACTUATOR DRIVING DEVICE AND INKJET HEAD DRIVING DEVICE
TEMPERATURE CONTROL DEVICE, DEVELOPING DEVICE, AND IMAGE FORMING APPARATUS
MOBILE STATION AND BASE STATION
METHOD AND APPARATUS FOR REGULATING REGENERATIVE POWER OF POWER CONVERTER
ANASTOMOSIS SHEATH AND METHOD OF USE
ANASTOMOSIS SHEATH AND METHOD OF USE
MANAGEMENT DATABASE DEVICE AND ARTICLE MANAGEMENT SYSTEM
COLOR FILTER FOR DISPLAY AND MANUFACTURING METHOD THEREFOR
