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
APPARATUS FOR AND METHOD OF WELL DRILLING
摘要
申请公布号
CA841462(A)
申请公布日期
1970.05.12
申请号
CAD841462
申请日期
申请人
ELBERT E. WARRINGTON
发明人
ELBERT E. WARRINGTON
分类号
主分类号
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Semiconductor manufacturing device
Method and apparatus for a suction valve of the plate-type construction
Portable pneumatic tool assembled with module units
Wood trim system
Short channel non-self aligned VMOS field effect transistor
Novel bi- and tri-cyclic aza compounds and their uses
Digital filter and method for a MASH delta-sigma modulator
Network open metering system
Method and apparatus for encapsulating ATM cells in a broadband network
Stereoscopic visual unit
Optical position indicator
Dynamic occupant position detection system and method for a motor vehicle
Device and method for modular multiplication
Memory device having direct sense circuit
Antenna for personal mobile communications or locating equipment
Wideband slot antenna with low VSWR
Warning device of auxiliary leg support of motorcycle
minimizing recovery time
Semiconductor device with improved circuit interconnection
Dual input, single output power supply
