发明名称 Floor cleaning using index fabric rolls in removable cassette
摘要 A floor cleaning apparatus is provided using indexing fabric rolls to furnish the cleaning surface. The rolls are contained within a replaceable cassette unit. The cassette is mounted within a housing which is attached to an elongated handle.
申请公布号 US5092699(A) 申请公布日期 1992.03.03
申请号 US19910662984 申请日期 1991.02.28
申请人 DOWBRANDS, INC. 发明人 SILVENIS, SCOTT A.
分类号 A47L13/22 主分类号 A47L13/22
代理机构 代理人
主权项
地址