|
| US4007497 | 3 Sep 1975 | 15 Feb 1977 | Otto Boch Orthopadische Industries KG | Artificial foot with ankle joint |
| US6537322 | 27 Mar 2000 | 25 Mar 2003 | | Prosthetic foot assembly having improved resilient cushions and components |
| US6699295 | 29 Jun 2001 | 2 Mar 2004 | Ohio Willow Wood Company | Multi-axis prosthetic ankle joint |
| US6764521 | 24 Aug 2001 | 20 Jul 2004 | | Multi-axial ankle joint |
| US7044984 | 26 Apr 2000 | 16 May 2006 | Rehabilitation Institute of Chicago | High profile multiaxial prosthetic foot |
| US7862621 | 3 Aug 2005 | 4 Jan 2011 | Fraunhofer-Gesellschaft zur Forderung der Angewandten Forschung E.V. | Prosthesis, in particular prosthetic foot |
