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| US4385024 | 15 Jun 1981 | 24 May 1983 | | Method for making a molded article from a curable material and a curing agent, the curing agent being in a container initially flexible and infrangible which is made frangible |
| US4522777 | 15 Dec 1982 | 11 Jun 1985 | Peterson Laboratories | Method and apparatus for making corrected custom foot molds |
| US4747989 | 6 May 1985 | 31 May 1988 | Peterson Laboratories | Method and apparatus for making corrected custom foot molds |
| US5275775 | 21 Oct 1991 | 4 Jan 1994 | | Method for making an insole |
| US5282328 | 9 Jul 1992 | 1 Feb 1994 | Peterson Technology Trust | Custom foot beds for footwear |
| US5358394 | 16 Aug 1993 | 25 Oct 1994 | | Apparatus for making an insole |
