|
| US5062653 | 14 Nov 1989 | 5 Nov 1991 | | Multipurpose recreational cart |
| US5407040 | 23 Feb 1994 | 18 Apr 1995 | Yih Kai Enterprise Co., Ltd. | Baggage |
| US7708290 | 21 Feb 2008 | 4 May 2010 | | Modular mobile workstation with storage capacity |
| US7891677 | 15 Mar 2010 | 22 Feb 2011 | | Modular mobile workstation with storage capacity |
| US8196938 | 25 Jan 2011 | 12 Jun 2012 | | Modular mobile workstation with storage capacity |
| USD517804 | 1 Mar 2004 | 28 Mar 2006 | | Rolling case |
