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| US4204284 | 16 Nov 1977 | 27 May 1980 | Lord Corporation | Joint prosthesis with contoured pin |
| US4229839 | 16 Nov 1977 | 28 Oct 1980 | Lord Corporation | Joint prosthesis |
| US4231122 | 16 Nov 1977 | 4 Nov 1980 | Lord Corporation | Knee joint prosthesis |
| US4652266 | 7 Mar 1986 | 24 Mar 1987 | Kingsley Mfg. Co. | Molded elastomeric prosthetic foot having energy-storing articulated keel |
| US4655778 | 12 Ago 1985 | 7 Abr 1987 | Harrington Arthritis Research Center | Joint prosthesis |
| US5314499 | 4 Abr 1991 | 24 May 1994 | | Artificial limb including a shin, ankle and foot |
| US5458656 | 20 Dic 1993 | 17 Oct 1995 | Flex-Foot | Energy-storing prosthesis leg pylon vertical shock leg |
| US5486209 | 1 Jul 1994 | 23 Ene 1996 | | Foot prosthesis having auxiliary ankle construction |
| US5509938 | 4 Ene 1994 | 23 Abr 1996 | | Prosthetic foot incorporating adjustable bladder |
| US5514185 | 21 Ene 1994 | 7 May 1996 | | Split foot prosthesis |
| US5514186 | 8 Mar 1994 | 7 May 1996 | | Attachment construction for prosthesis |
| US5545234 | 1 Nov 1994 | 13 Ago 1996 | | Lower extremity prosthetic device |
| US5549714 | 12 Ene 1995 | 27 Ago 1996 | | Symes foot prosthesis |
| US5593455 | 27 May 1994 | 14 Ene 1997 | | Plug mounted prosthesis |
| US5593457 | 22 Sep 1995 | 14 Ene 1997 | | Foot prosthesis having auxiliary ankle construction |
| US5728176 | 30 Oct 1995 | 17 Mar 1998 | Flex-Foot, Inc. | Attachment construction for prosthesis |
| US5728177 | 5 Ago 1996 | 17 Mar 1998 | Flex-Foot, Inc. | Prosthesis with foam block ankle |
| US5800569 | 15 Ago 1995 | 1 Sep 1998 | | Prosthesis with resilient ankle block |
| US5826304 | 23 Jul 1997 | 27 Oct 1998 | | Composite flexure unit |
| US5888238 | 20 Dic 1996 | 30 Mar 1999 | | Plug mounted prosthesis |
| US5976191 | 8 Oct 1996 | 2 Nov 1999 | | Foot prosthesis having curved forefoot |
| US5993488 | 13 May 1998 | 30 Nov 1999 | | Prosthesis with resilient ankle block |
| US6165227 | 7 May 1996 | 26 Dic 2000 | | Attachment construction for prosthesis |
| US6206934 | 21 Ago 1998 | 27 Mar 2001 | Flex-Foot, Inc. | Ankle block with spring inserts |
| US6280479 | 9 Abr 1999 | 28 Ago 2001 | Flex-Foot, Inc. | Foot prosthesis having cushioned ankle |
| US6406500 | 2 Nov 1999 | 18 Jun 2002 | | Foot prosthesis having curved forefoot |
| US6443995 | 22 Dic 2000 | 3 Sep 2002 | | Prosthetic foot |
| US6478826 | 9 Abr 1999 | 12 Nov 2002 | Van L. Phillips
Ossur HF | Shock module prosthesis |
| US6511512 | 24 Abr 2000 | 28 Ene 2003 | Ossur Hf
Van L. Phillips | Active shock module prosthesis |
| US6743260 | 31 Jul 2001 | 1 Jun 2004 | | Prosthetic foot |
| US6887279 | 28 Ene 2003 | 3 May 2005 | Össur hf
Van L. Phillips | Active shock module prosthesis |
| US6899737 | 26 Oct 2000 | 31 May 2005 | | Foot prosthesis having cushioned ankle |
| US6936074 | 2 Mar 2004 | 30 Ago 2005 | | Prosthetic foot |
| US6969408 | 30 Sep 2003 | 29 Nov 2005 | Ossur Engineering, Inc. | Low profile active shock module prosthesis |
| US7063727 | 17 Dic 2002 | 20 Jun 2006 | Van L. Phillips
Össur hf | Foot prosthesis having cushioned ankle |
| US7108723 | 10 Jun 2004 | 19 Sep 2006 | | Prosthetic foot |
| US7169190 | 2 May 2005 | 30 Ene 2007 | Van L. Phillips
Össur. hf | Active shock module prosthesis |
| US7279011 | 11 Feb 2004 | 9 Oct 2007 | | Foot prosthesis having cushioned ankle |
| US7347877 | 17 Sep 2004 | 25 Mar 2008 | Össur hf | Foot prosthesis with resilient multi-axial ankle |
| US7354456 | 14 Sep 2004 | 8 Abr 2008 | | Foot prosthesis having cushioned ankle |
| US7371262 | 2 Sep 2005 | 13 May 2008 | Össur hf | Low profile active shock module prosthesis |
| US7581454 | 20 Sep 2004 | 1 Sep 2009 | Össur hf | Method of measuring the performance of a prosthetic foot |
| US7846213 | 12 Nov 2004 | 7 Dic 2010 | Össur hf. | Foot prosthesis with resilient multi-axial ankle |
| US7879110 | 1 Dic 2009 | 1 Feb 2011 | Ossur hf | Foot prosthesis having cushioned ankle |
| US7891258 | 7 Ago 2009 | 22 Feb 2011 | Össur hf | Method of measuring the performance of a prosthetic foot |
| US7998221 | 24 Jul 2009 | 16 Ago 2011 | Össur hf | Foot prosthesis with resilient multi-axial ankle |
| US8007544 | 15 Ago 2003 | 30 Ago 2011 | Ossur HF | Low profile prosthetic foot |
| US8025699 | 24 Jul 2009 | 27 Sep 2011 | Össur hf | Foot prosthesis with resilient multi-axial ankle |
