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
Rotary cutter for drills
摘要
申请公布号
US2651501(A)
申请公布日期
1953.09.08
申请号
US19510211146
申请日期
1951.02.15
申请人
MCMAHON RICHARD D
发明人
MCMAHON RICHARD D.
分类号
E21B10/00;E21B10/16;E21B10/20
主分类号
E21B10/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
SUPPORTING DEVICE FOR BELTLIKE MATERIAL
HOT DIPPING METHOD FOR WIRE ROD
AUSTENITE STAINLESS STEEL PRODUCT OF SUPERIOR CORROSION RESISTANCE AND OXIDATION RESISTANCE AND PRODUCTION THEREOF
HEATTSENSITIVE RECORDING HEAD
PRODUCTION OF CAST ROTOR
PREPARATION OF FORMED PIECE FROM CHLORINEECONTAINED RESIN
MANUFACTURE OF HEATTRESISTING CONTAINER FROM POLYETHYLENE TEREPHTHALATE
WEB BUTT JOINING DEVICE
PREPARATION OF PATTERNNFORMING MATERIAL
METHOD OF MAKING LAMINATED SHEET
Adsorbent fractionator with system gas powered cycle control and process
Composite electrode for storage batteries and the like
Apparatus and methods for back illuminating a display surface
Elliptical diffuser drape
Adjustable temperature warming plate for electric coffee maker
Current amplifier
Digital electronic dimmer
Bird cage
Loose fill packaging element
Combined display and packaging container for self-adhesive labels or the like