|
| US5025574 | 24 Oct 1989 | 25 Jun 1991 | | Replaceable shoe heel assembly |
| US6311413 | 6 Sep 2000 | 6 Nov 2001 | | Replaceable elastic air cushion shoe structure |
| US6598324 | 23 Feb 2000 | 29 Jul 2003 | American Bowling Services, Inc. | Bowling shoes having customizable ground engagement |
| US8012112 | 14 Feb 2006 | 6 Sep 2011 | | Orthopedic braces and casts with aerating arrangements |
| US8069583 | 20 Dec 2007 | 6 Dec 2011 | | Shoe with replacement sole cartridges |
