Referenced by|
| US4969451 | 23 Apr 1987 | 13 Nov 1990 | | Respiratory stimulator bed | | US6434768 | 24 Aug 2001 | 20 Aug 2002 | Mattel, Inc. | Collapsible play yard | | US6438772 | 30 Sep 1999 | 27 Aug 2002 | Mattel, Inc. | Collapsible play yard | | US7174582 | 17 Aug 2005 | 13 Feb 2007 | | Crib mattress bouncer |
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