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
Knife sharpener
摘要
申请公布号
US2513841(A)
申请公布日期
1950.07.04
申请号
US19470782279
申请日期
1947.10.27
申请人
CALKINS ARTHUR S
发明人
CALKINS ARTHUR S.
分类号
B24D15/08
主分类号
B24D15/08
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Trigger assembly for bolt action pistols
Sliver condenser for open-end spinning machines
Refuse collection devices
High temperature furnace with improved slag tap
Hand-operated lever linkage control
Extrusion die assembly
Rechargeable battery charger system for charging testing, rejuvenation and preventative maintenance
Process for producing photo-curable composite materials useful for preparing stencils
Magnetic recording elements containing transparent recording layer
Breathable surgical adhesive tape
Elastic typing medium for reduction of message size
Process for therapeutic treatment
Magnetic recording medium
Method of making polymeric photoconductive material involves partial polymerization step
Infrared reflex device
Body transfer unit
Rigid shelf connector
Optical fiber mating apparatus and method
Lock-up torque converter with clutch piston engageable with converter cover
Shelf display clip
