Referenced by|
| US3931985 | 2 Dec 1974 | 13 Jan 1976 | | Collapsible cart | | US5125524 | 19 Jun 1990 | 30 Jun 1992 | Sony Corporation | Collapsible basket for storage and transport of manufactured articles | | US6443481 | 21 Jun 2000 | 3 Sep 2002 | | Collapsible movable cart | | US6471236 | 30 Apr 2001 | 29 Oct 2002 | | Multimode collapsible cart | | US6685199 | 18 Jun 2002 | 3 Feb 2004 | | Collapsible movable cart | | US7213817 | 9 Nov 2004 | 8 May 2007 | | Foldable trolley | | US7398978 | 29 Jan 2007 | 15 Jul 2008 | | Foldable trolly |
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