|
| US5025573 | 4 Jun 1986 | 25 Jun 1991 | Comfort Products, Inc. | Multi-density shoe sole |
| US5572805 | 1 Nov 1994 | 12 Nov 1996 | Comfort Products, Inc. | Multi-density shoe sole |
| US5595003 | 18 Feb 1994 | 21 Ene 1997 | | Athletic shoe with a force responsive sole |
| US6145220 | 22 Nov 1995 | 14 Nov 2000 | Georgia Boot, Inc. | Cushioned footwear and apparatus for making the same |
| US6195915 | 16 Ago 1999 | 6 Mar 2001 | | Athletic footwear sole construction enabling enhanced energy storage, retrieval and guidance |
| US6327795 | 17 May 1999 | 11 Dic 2001 | Britek Footwear Development, LLC | Sole construction for energy storage and rebound |
| US6330757 | 18 Ago 1998 | 18 Dic 2001 | Britek Footwear Development, LLC | Footwear with energy storing sole construction |
| US6446359 | 19 Ene 2001 | 10 Sep 2002 | Lotto Sport Italia S.p.A. | Ventilated shoe sale structure |
| US6802138 | 8 Feb 2002 | 12 Oct 2004 | Wolverine World Wide, Inc. | Cushioning system for footwear and related method of manufacture |
| US6842999 | 12 May 2003 | 18 Ene 2005 | Britek Footwear Development, LLC | Sole construction for energy storage and rebound |
| US7036245 | 8 Dic 2003 | 2 May 2006 | Britek Footwear Development LLC | Sole construction for energy storage and rebound |
| US7168186 | 18 Ene 2005 | 30 Ene 2007 | Britek Footwear Development, Inc. | Sole construction for energy storage and rebound |
| US7337559 | 22 Dic 2005 | 4 Mar 2008 | Newton Running Company, Inc. | Sole construction for energy storage and rebound |
| US7877900 | 18 Sep 2009 | 1 Feb 2011 | Newton Running Company, Inc. | Sole construction for energy and rebound |
| US7921580 | 19 Ene 2010 | 12 Abr 2011 | Newton Running Company, Inc. | Sole construction for energy storage and rebound |
