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
Pencil sharpener
摘要
申请公布号
US2563015(A)
申请公布日期
1951.08.07
申请号
US19490091973
申请日期
1949.05.07
申请人
EWALD HOWARD H
发明人
EWALD HOWARD H.
分类号
B43L23/08
主分类号
B43L23/08
代理机构
代理人
主权项
地址
您可能感兴趣的专利
DISPOSITIVO DI COMANDO.
PORTAFUSIBILI ELETTRICI DA INCASSO PER FUSIBILI DI SICUREZZA CON CAPPE DI CONTATTO TERMINALI.
DISPOSITIVO ESTRATTORE IN PARTICOLARE PER L'ESTRAZIONE DELLE CALOTTE O COPPE DELLE SFERE DAI MOZZI DI RUOTE PER BICICLETTE
A, PROCESS FOR THE SIMULTANEOUS PRODUCTION OF 2(2-AMINOALKOXY) ALKANOL AND MORPHOLINE
METHOD FOR MANUFACTURING FIRE-AND WATER-PROOF PAINT FOR WALL
PROCESS FOR PREPARING THIENOTHIAZINE DERIVATIVES
METHOD OF MAKING HIGH PROTEIN RAW MATERIALS FOR SOY
ENCLOSED LEAD BATTERY
MANUFACTURE OF ELECTRODE FOR CELL
METHOD AND DEVICE FOR DISPLAYING CONTROL QUANTITY
MAGNETIC TAPE REPRODUCING UNIT
LIQUID SEASONING CONTAINING OIL AND FAT
HONEYCOMB WINDING APPARATUS
PRODUCTION OF FET COMPARISON ELECTRODE
MEMORY REWINDING UNIT IN TAPE RECORDER
Method of measuring temperature of a sheet with a noncontacting-type pyrometer
Seat-operated interlock
Solenoid assembly for elevated temperature service
Methods of using 8(tetrazol-5-ylcarbamoyl)isoquinoline compounds
Photoconductive member cleaning device using a magnetic brush for electrostatic copying machines
