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
Drill steel guide
摘要
申请公布号
US2026062(A)
申请公布日期
1935.12.31
申请号
US19330703577
申请日期
1933.12.22
申请人
SULLIVAN MACHINERY COMPANY
发明人
REILLY JOHN L.
分类号
E21B19/24
主分类号
E21B19/24
代理机构
代理人
主权项
地址
您可能感兴趣的专利
DISPOSIZIONE ELETTRICA DI COMPONENTI CON PIU' COMPONENTI ELETTRICI DISPOSTI IN UN ALLOGGIAMENTO.
Adjustable mounting frame for car interior article holders
Rengöringsskåra för ett fordons fönstertorkare
Sätt och anordning för reparation av en kraftledningsstolpe
Fjärrhanteringssystem
DUAL MODE SUBSCRIBER TERMINAL AND A HANDOVER PROCEDURE OF THE DUAL MODE SUBSCRIBER TERMINAL IN A MOBILE TELECOMMUNICATIONS NETWORK
DIFFERENTIAL GLOBAL POSITIONING SWATH GUIDANCE SYSTEM WITH DUAL ROW LIGHTBAR AND FLOW CONTROLLER APPARATUS AND METHOD
METHOD OF PIECES SURFACE WORKING
Modular Spill Deck
IMIDAZOLE DERIVATIVES
COMPOSIZIONE FARMACEUTICA ORALE AD ATTIVITA' ANTIPIRETICA ANALGESICA E INFIAMMATORIA
Method of remotely executing computer processes
Output power control for a pulsed transmitter and envelope shaping of power
SELF-QUENCHING ELECTRIC GAS LOAD-BREAK SWITCH
METHOD OF POTTING OF ARTICLES
SINGLE-ENDED STABILIZING DC VOLTAGE CHANGER
WORKING MEDIUM FOR ATOM SOURCES IN QUANTUM FREQUENCY STANDARDS
AUDIO-SIGNAL GENERATOR
DEVICE MEASURING DENSITY
HIGH-POWER PULSE MODULATOR
