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| US3957472 | 10 Jun 1975 | 18 May 1976 | Readi Temp Inc. | Chemical heat transfer unit |
| US4875576 | 5 Feb 1988 | 24 Oct 1989 | | Mixing kit |
| US5027980 | 12 Oct 1990 | 2 Jul 1991 | | Dual compartmented container for reconstituting powdered milk and the like |
| US5709089 | 4 Mar 1996 | 20 Ene 1998 | | Package for cooling containing superabsorbent polymer |
| US6074415 | 22 Sep 1998 | 13 Jun 2000 | | Hot or cold applicator with inner element |
| US6083256 | 17 Jul 1998 | 4 Jul 2000 | | NNT or cold pad with inner element |
| US6376034 | 12 Jun 1998 | 23 Abr 2002 | | Absorbent material for use in disposable articles and articles prepared therefrom |
| US6478147 | 27 Nov 2000 | 12 Nov 2002 | | Container with absorbent material |
