A collapsible structure having an open top, a relatively rigid handle frame member, and a handle member used for ease in transporting goods, along with a method of collapsing same.
申请公布号
US8127956(B2)
申请公布日期
2012.03.06
申请号
US20090456830
申请日期
2009.06.23
申请人
KROTTS DEAN B.;KELLOGG MICHAEL S.;BAJER DESIGN & MARKETING, INC.
