Back for loose-leaf ring books,申请号US19290410393-传众专利搜索

首页产品黄页商标征信

会员服务注册登录

法人/股东/高管

发明名称	Back for loose-leaf ring books
摘要
申请公布号	US1787958(A)	申请公布日期	1931.01.06
申请号	US19290410393	申请日期	1929.11.29
申请人	NATIONAL BLANK BOOK COMPANY	发明人	SCHADE JOHN
分类号	B42F13/00	主分类号	B42F13/00
代理机构		代理人
主权项
地址

您可能感兴趣的专利

Axle with ball drive design

Adjustable tracklight

Plastic bag for vacuum sealing

ONE STEP SYNTHESIS OF METHYL T-BUTYL ETHER FROM T-BUTANOL USING PLATINUM/PALLADIUM-MODIFIED B-ZEOLITE CATALYSTS

DISCHARGING REGISTOR

PROCESSING METHOD FOR POLYMER WASTE AND DEVICE THEREFOR

RESIN COMPOSITION, RESIST INK COMPOSITION AND CURED PRODUCT THEREOF

EQUIPMENT FOR APPLYING BONDING AGENT TO VENEER HAVING SCARF CUT FACE

LUBE OIL COMPOSITION

MANUFACTURE OF PLASTIC SHEET FOR LINING

HOT ROLLING METHOD

PRODUCTION OF CONCRETE BLOCK EXPRESSING DECORATIVE MATERIAL MIXED WITH SAND GRAIN ON SURFACE

PRODUCTION OF POROUS PREFORM FOR OPTICAL FIBER

METHOD OF DEPOSITING COMPOSITE COATING FILM

STARTING METHOD OF SHIELD EXCAVATOR IN DOUBLE SECTION SHIELD METHOD

COMBUSTION STATE DETECTING DEVICE FOR INTERNAL COMBUSTION ENGINE

PRODUCTION OF SEMICONDUCTOR DEVICE

GRINDING SECTION CONTROL METHOD IN GRINDING MACHINE AND GRINDING SECTION MOVEMENT CONTROL DEVICE