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
Propel type mechanical pencil
摘要
申请公布号
US2800880(A)
申请公布日期
1957.07.30
申请号
US19540434506
申请日期
1954.06.04
申请人
SCRIPTO, INC.
发明人
SMITH BLANCHARD D.
分类号
B43K21/08
主分类号
B43K21/08
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Shoe sole press
Hydraulic control valve with automatic hold and release
Radio receiver tuning switch
Compact
Hammer pocket device
Multisection pipe protector
Method of spraying freely falling particles
Carton
Dispensing cabinet for rolled sheet materials
Heating of coffee beans
Multiple coil pickup
Process for breaking petroleum emulsions
Fender guard
Friction shock absorber for railway car trucks
Antenna switching system
Automobile luggage carrier
Process for the purification of derivatives of phenoxyacetic acid
Flat screen for pulp screening
Plasticized polyvinyl chloride compositions
Method of preparing phosphorous acid
