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
Rock bit
摘要
申请公布号
US2676790(A)
申请公布日期
1954.04.27
申请号
US19480059298
申请日期
1948.11.10
申请人
TURNER BITS, INC.
发明人
TURNER MORRIS F.
分类号
E21B10/20;E21B10/22
主分类号
E21B10/20
代理机构
代理人
主权项
地址
您可能感兴趣的专利
License management apparatus, license management system and license management method
Method and apparatus for preventing plasma display screen burn-in
Radiation detector
SPRAYABLE COMPOSITION
SYSTEM FOR APPLICATION SERVER MESSAGING WITH MULTIPLE DISPATCH POOLS
ANIMAL FEED COMPOSITION
METHODS AND SYSTEMS FOR AUTOMATED AUTHENTICATION, PROCESSING AND ISSUANCE OF DIGITAL CERTIFICATES
Ozone hemodiafiltration device
Inhalation device having an optimized air flow path
Spandex containing a mixture of phenolic
SINGLE-USE DISPOSABLE EYELID SPECULUM AND EYE EXAMINATION KIT
ANTISENSE MODULATION OF INHIBITOR-KAPPA B KINASE-GAMMA EXPRESSION
CRYSTALS OF WHOLE ANTIBODIES AND FRAGMENTS THEREOF AND METHODS FOR MAKING AND USING THEM
METHOD OF VOLUME MANUFACTURE OF A PRODUCT IN A STAGED PRODUCTION PROCESS
COORDINATING IMAGES DISPLAYED ON DEVICES WITH TWO OR MORE DISPLAYS
LUMINANCE COMPENSATION FOR EMISSIVE DISPLAYS
VISCOUS PROTECTIVE OVERLAYERS FOR PLANARIZATION OF INTEGRATED CIRCUITS
COMPOSITIONS AND METHODS FOR DEMONSTRATING SECRETORY IMMUNE SYSTEM REGULATION OF STEROID HORMONE RESPONSIVE CANCER CELL GROWTH
COMPOSOTE MATERIALS AND METHODS OF MAKING AND USING SUCH COMPOSITE MATERIALS
CONTROLLED RELEASE MICROBIOCIDE FOR POROUS SURFACES
