Referenced by|
| US4057859 | 11 Nov 1975 | 15 Nov 1977 | | Suspendible sleeping surface and tent | | US4329747 | 5 May 1980 | 18 May 1982 | | Support pad | | US5216772 | 16 Nov 1992 | 8 Jun 1993 | | Support pillow | | US5423099 | 6 Jan 1994 | 13 Jun 1995 | | Infant safety pillow | | US5561879 | 13 Jan 1995 | 8 Oct 1996 | | Supportive mattress | | US5566407 | 7 Jun 1995 | 22 Oct 1996 | | Crib with air permeable supporting surface |
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