|
| US4492046 | 1 Jun 1983 | 8 Jan 1985 | | Running shoe |
| US5343636 | 24 May 1993 | 6 Sep 1994 | | Added footwear to increase stride |
| US5367790 | 15 Apr 1993 | 29 Nov 1994 | | Shoe and foot prosthesis with a coupled spring system |
| US6009636 | 19 Oct 1998 | 4 Jan 2000 | | Shoe construction providing spring action |
| US6029374 | 28 May 1997 | 29 Feb 2000 | | Shoe and foot prosthesis with bending beam spring structures |
| US6449878 | 10 Mar 2000 | 17 Sep 2002 | | Article of footwear having a spring element and selectively removable components |
| US6601042 | 17 May 2000 | 29 Jul 2003 | Robert M. Lyden | Customized article of footwear and method of conducting retail and internet business |
| US7016867 | 21 May 2002 | 21 Mar 2006 | | Method of conducting business including making and selling a custom article of footwear |
| US7107235 | 24 Oct 2002 | 12 Sep 2006 | | Method of conducting business including making and selling a custom article of footwear |
| US7334351 | 7 Jun 2004 | 26 Feb 2008 | Energy Management Athletics, LLC | Shoe apparatus with improved efficiency |
| US7624515 | 30 May 2006 | 1 Dec 2009 | Mizuno Corporation | Sole structure for a shoe |
| US7752775 | 11 Sep 2006 | 13 Jul 2010 | | Footwear with removable lasting board and cleats |
| US7770306 | 23 Aug 2007 | 10 Aug 2010 | | Custom article of footwear |
| US7788824 | 7 Jun 2005 | 7 Sep 2010 | Energy Management Athletics, LLC | Shoe apparatus with improved efficiency |
| US8209883 | 8 Jul 2010 | 3 Jul 2012 | | Custom article of footwear and method of making the same |
| USD507094 | 20 Sep 2002 | 12 Jul 2005 | | Spring element for an article of footwear |
