Manufacture of projection screens,申请号US19400319017-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	Manufacture of projection screens
摘要
申请公布号	US2274501(A)	申请公布日期	1942.02.24
申请号	US19400319017	申请日期	1940.02.15
申请人	C. H. JOHNSON AND SONS LIMITED	发明人	PARRETT HENRY HILTON
分类号	G03B21/56	主分类号	G03B21/56
代理机构		代理人
主权项
地址

您可能感兴趣的专利

WEED GROWTH PREVENTING APPARATUS

IRIS RECOGNITION CAMERA SYSTEM, TERMINAL INCLUDING THE SAME AND IRIS RECOGNITION METHOD USING THE SAME

CONNECTING STRUCTURE OF SLIDING DOOR AND SWING DOOR

MANUFACTURING METHOD OF SUBSTRATE GRAPHENE GROWTH WITHOUT USING METAL CATALYST AND SUBSTRATE GRAPHENE GROWTH WITHOUT USING METAL CATALYST

DEVICE AND METHOD FOR SELECTIVE PROVIDING BEARING INFORMATION OF TACAN

MANUFACTURING METHOD OF SUBSTRATE GRAPHENE GROWTH WITHOUT USING METAL CATALYST AND SUBSTRATE GRAPHENE GROWTH WITHOUT USING METAL CATALYST

CONSTRUCTION METHODS OF JOINING TWO OR MORE CONTAINER HOUSES ALONG THEIR LONG SIDES

MANUFACTURING METHOD OF SUBSTRATE GRAPHENE GROWTH AND SUBSTRATE GRAPHENE GROWTH AND MANUFACTURING DEVICE

METHOD FOR PREPARING POSITIVE ELECTRODE HAVING INSULATION COATING PORTION AND POSITIVE ELECTRODE PREPARED THEREBY

POLYLACTICACID SUTURE ANCHOR AND PREPARATION METHOD THEREOF

NOVEL DI-OXIME ESTER COMPOUNDS AND PHOTOPOLYMERIZATION INITIATOR AND PHOTORESIST COMPOSITION CONTAINING THE SAME

HOUSING CASE FOR HEAD-UP DISPLAY, AND HEAD-UP DISPLAY APPARATUS

NITRIFICATION INHIBITORS DESIGNED FOR UREA AND MANURE BASED FERTILIZERS

FO-E-1,3,4,4,4-五氟-3-三氟甲基-1-丁烯和E-1-氯-3,3,3-三氟丙烯的类共沸组合物及其用途

一种钢片输送冲压机构

具有拆卸结构的多旋翼无人机