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| US4903718 | 19 Oct 1988 | 27 Feb 1990 | Ipco Corporation | Flexible ultrasonic cleaning bag |
| US5027980 | 12 Oct 1990 | 2 Jul 1991 | | Dual compartmented container for reconstituting powdered milk and the like |
| US5806719 | 11 Jul 1997 | 15 Sep 1998 | Tetra Laval Holdings & Finance, SA | Fitment based dispensing system for a pouch |
| US6007246 | 29 Sep 1998 | 28 Dic 1999 | Kraft Foods Inc. | Reclosable container arrangement |
