|
| US3981037 | 11 Aug 1975 | 21 Sep 1976 | The Raymond Lee Organization, Inc. | Process for installing an arch support in a conventional shoe |
| US4128951 | 11 Mar 1976 | 12 Dec 1978 | Falk Construction, Inc. | Custom-formed insert |
| US4272898 | 31 Jul 1978 | 16 Jun 1981 | | Resin-coated fiber mass containing catalyst-filled hollow fibers |
| US4674206 | 21 Mar 1985 | 23 Jun 1987 | | Midsole construction/shoe insert |
| US5101580 | 13 Jun 1991 | 7 Apr 1992 | | Personalized footbed, last, and ankle support |
| US5150536 | 9 Jan 1990 | 29 Sep 1992 | | Winter weather footwear article |
| US5553399 | 14 Nov 1994 | 10 Sep 1996 | | Lightweight footwear article providing improved traction |
| US5960566 | 14 Jul 1997 | 5 Oct 1999 | Northwest Podiatric Laboratory | Composite material orthotic insert constructed for enhanced control and durability |
| US6412194 | 4 Nov 1999 | 2 Jul 2002 | Tamarack Habilitation Technologies, Inc. | Wax filled pads |
