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| US3978853 | 4 Jun 1975 | 7 Sep 1976 | Morrison Medical Products Company | Ankle hitch |
| US4461288 | 18 Ago 1983 | 24 Jul 1984 | | Mid-hind foot stabilizer |
| US4669450 | 15 Abr 1985 | 2 Jun 1987 | Bill Kelly
Diana D. Cardenas | Heel cord stretching appliance and method |
| US5692319 | 7 Jun 1995 | 2 Dic 1997 | Nike, Inc. | Article of footwear with 360.degree. wrap fit closure system |
| US5788659 | 13 Dic 1996 | 4 Ago 1998 | | Shoulder traction device for relocating a dislocated shoulder |
