专利名称：Umbrella发明人：Bernard Voigt申请号：US08/654228申请日：19960528公开号：US05690131A公开日：19971125
摘要：An improved umbrella is provided which consists of a fabric canopy, a centralshank assembly and a mechanism for deploying the fabric canopy from and retracting thefabric canopy into the top of the central shank assembly.
申请人：VOIGT; BERNARD
代理人：Michael I. Kroll
更多信息请下载全文后查看
因篇幅问题不能全部显示，请点此查看更多更全内容