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| US4437195 | 22 Feb 1982 | 20 Mar 1984 | | Self-inflating bedpan | | US4899399 | 22 Feb 1989 | 13 Feb 1990 | | Inflatable, disposable bedpan apparatus and method | | US5129111 | 7 Feb 1990 | 14 Jul 1992 | | Inflatable child's toilet | | US6405389 | 7 Dic 1999 | 18 Jun 2002 | | Compact portable contamination control device | | US6449782 | 15 Mar 2002 | 17 Sep 2002 | | Inflatable and disposable portable toilet assembly |
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