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
MECHANICAL PENCIL
摘要
申请公布号
CA440295(A)
申请公布日期
1947.03.18
申请号
CAD440295
申请日期
申请人
SCRIPTO MANUFACTURING COMPANY
发明人
BLANCHARD D. SMITH
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
简易吸水笔
多功能冷热风皮鞋
液压体能训练器
一种内燃机增压活塞环
一种热压装置
具有环形发热管的红外电热取暖器
磨粉机磨辊水冷装置
提刹式车把
食用菌接种机
花药取粉恒温箱
导标电源自动控制装置
非周期开关发电机电压调节器
Displacement detection and control device for movable furniture member such as armchair headrest
Winding core for strip-form material - comprises easily foldable thin-walled tube with axially running fold lines on two diametrically opposed sides
Compressed air distributor with movable slide carriage - has compressed air tube wound up in side housing and connected to and following slide on its movement along rail
Addressable remote transducer with electronic addressing system - includes sensor, address programmer, polarity detector and microcontroller contg. clock generator, addressing and delay functions and address memory
Control circuit for commutatorless DC motor - uses two different types of coupling circuit for operating switch set connected in full-bridge configuration
Verfahren und Vorrichtung zur Steuerung einer Kamera
Ninety-degree deflection mass separator tube for semiconductor material ion implantation - covers inside of aluminium walls with sections of electrically conductive non-magnetic graphite of uneven surface, which sections are narrow to allow disassembly through entrance.
Electrically heated food container for catering supplies and mobile kitchen - has resistive heating element incorporated into base of container with contact pads for heating