US Patent Full-Text Database Boolean Search All Fields Title 件)编辑啁)查看)收藏()工具〔)帮助p bstract Issue Date 后退·②·2⑥O搜索次收藏夹 Patent Number Application Date stt(d).Ahttp://patft.usptogow/netahtm1/pto/search-BoOdApplicationSerialNumber 输入中文,直接搜索转到链接”西 Application Type Assignee Name USPTO PA]Assignee City AGE DATABASE Home Assignee Count Help International Classification rimary Examir ist ant Examiner Data invent or city 2006 Inventor St ate Query [Help] Invent or Country overnment Interest Term 1 in Field 1: attorney or Agent CT Information AND Foreign Priority Term 2 in Field 2: Related US App Data Select years [HelpI Referenced By Foreign References 1976 to present [full-text] Other Reference Claim( Patents from 1790 through 1975 are searchable only by Issue Date, Patent Number, and Current US Classification. When searching for specific numbers in the Patent Number field, patent numbers must be seven characters in length excluding commas, which are optional 完毕 e回!m, Patent Fu1 》14:4