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
Bottom hole sampler
摘要
申请公布号
US2690227(A)
申请公布日期
1954.09.28
申请号
US19510241251
申请日期
1951.08.10
申请人
JOHNSTON TESTERS, INC.
发明人
HUBER CLYDE L.
分类号
E21B49/08
主分类号
E21B49/08
代理机构
代理人
主权项
地址
您可能感兴趣的专利
LOOP DATA TRANSMISSION SYSTEM
COLOR CATHODE-RAY TUBE
DESIGN DEVICE FOR PRINTED CIRCUIT BOARD
LEVEL GAGE AND FLOWMETER AND MEASURING METHOD OF LIQUID LEVEL AND FLOW RATE
POWER SUPPLY DEVICE
RADIO RECEIVER
INCREMENTAL SIGNAL PROCESSING METHOD AND INCREMENTAL SIGNAL PROCESSOR
DISK DRIVING DEVICE
STORAGE DISK DEVICE
DIGITAL SIGNAL RECEIVER AND DIGITAL SIGNAL RECEIVING METHOD
SYNCHRONOUS RECTIFIER CIRCUIT
OPTICAL SYSTEM IN PROJECTION TELEVISION RECEIVER
PICTURE TUBE DISPLAY DEVICE
VIDEO CAMERA
PICTURE READER
PRINTING SYSTEM, PRINTING CONTROL SYSTEM AND RECORDING MEDIUM RECORDING PRINTING CONTROL PROGRAM
MOTOR FRAME, AND MOTOR AND MOTOR PUMP USING THAT MOTOR FRAME
COLOR IMAGE PICKUP DEVICE AND DIGITAL STILL CAMERA USING THE SAME
RECORDING AND REPRODUCING DEVICE, IMAGE DISPLAY METHOD AND RECORDING MEDIUM
IMAGE PICKUP PRINTING DEVICE
