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
Combined pencil sharpener, extension grip and eraser
摘要
申请公布号
US2757638(A)
申请公布日期
1956.08.07
申请号
US19540418350
申请日期
1954.03.24
申请人
ISIDORE GOLDSTEIN
发明人
GOLDSTEIN ISIDORE
分类号
B43K29/00;B43K29/06;B43L23/08
主分类号
B43K29/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
INFORMATION PROCESSOR
CHANNEL CONTROL SYSTEM
TEMPERATURE SWITCH
PREPARATION OF FROZEN CAKE
INFORMATION PROCESSOR
DATA TRANSFER SYSTEM
SEQUENCE CONTROLLER
WALKING TYPE RICE TRANSPLANTER
MUD REMOVER OF YOUNG SEDGE PLANT
HOT WATER AND STEAM PLANT FOR OIL FIELD
FISH SORTING APPARATUS
ROLLING HARROWING DEVICE
METHOD OF BUILDING PRECAST REINFORCED CONCRETE STRUCTURE
METHOD OF FITTING GROUNDDCOVERING MOLDING FLASK AND BUILDING HANDRAIL IN FLOOR BOARD WORKING OF NEW PERMANENT BRIDGE CONSTRUCTION
DEVICE FOR OPERATING ELEVATOR IN EMERGENCY
SHEET MATERIAL CONVEYING APPARATUS
CONTININUOUS SAND FEEDER IN SAND PILE FORMING DEVICE
PRESS DEVICE OF BOOKBINDING MACHINE
DIESEL ENGINE STARTER
SUCTION CHECKING METHOD OF HYDRAULIC VALVE GAP ADJUSTING ELEMENTS FOR VALVE MOTION MECHANISM OF INTERNAL COMBUSTION ENGINE
