|
| US4025083 | 23 Sep 1975 | 24 May 1977 | Graco Metal Products, Inc. | Baby walker |
| US4065086 | 24 Ago 1976 | 27 Dic 1977 | Combi Co., Ltd. | Leg assembly for a baby's go-cart |
| US4123078 | 24 Sep 1976 | 31 Oct 1978 | Kabushiki Kaisha Famy | Baby walker with device for supporting stem for beads |
| US4140311 | 2 Jun 1977 | 20 Feb 1979 | Kabushiki Kaisha Famy | Baby walker |
| US4171132 | 19 Dic 1977 | 16 Oct 1979 | Kassai Kabushiki Kaisha | Infant walking trainer |
| US4225146 | 20 Sep 1978 | 30 Sep 1980 | Takeuchi Press Limited Company | Device for exercising infant in walking |
| US4576392 | 7 Dic 1984 | 18 Mar 1986 | Gerber Products Company | Height adjustment apparatus |
| US4795151 | 30 Sep 1987 | 3 Ene 1989 | | Baby walker with safety track feature |
| US4903960 | 21 Nov 1988 | 27 Feb 1990 | | Audible baby conveyance |
| US4988138 | 29 Mar 1990 | 29 Ene 1991 | Baby Bumpers, Inc. | Bumper guard for baby walker |
| US5050504 | 28 Jul 1988 | 24 Sep 1991 | | Baby walker with safety track feature |
| US5158460 | 26 Abr 1991 | 27 Oct 1992 | Safety 1st, Inc. | Bath seat |
| US5564782 | 2 Feb 1995 | 15 Oct 1996 | | Protective guard for rocking chair rocker ends |
| US5669081 | 28 Jun 1996 | 23 Sep 1997 | BRK Brands, Inc. | Self-locking toilet seat cover |
| US5687433 | 27 Jun 1996 | 18 Nov 1997 | BRK Brands, Inc. | Child bath seat |
| US5688211 | 13 Nov 1995 | 18 Nov 1997 | Kolcraft Enterprises, Inc. | Collapsible child exerciser device |
| US5938878 | 16 Ago 1996 | 17 Ago 1999 | Sentinel Products Corp. | Polymer structures with enhanced properties |
| US6054005 | 30 Abr 1999 | 25 Abr 2000 | Sentinel Products Corp. | Polymer structures with enhanced properties |
| US6179755 | 8 Mar 1999 | 30 Ene 2001 | Kolcraft Enterprises, Inc. | Method and apparatus for securing an infant walker extender to an infant walker |
| US6494815 | 18 Feb 2000 | 17 Dic 2002 | Kolcraft Enterprises, Inc. | Walker with constantly applied brake |
| US6637814 | 26 May 1999 | 28 Oct 2003 | Graco Children's Products Inc. | Child activity center, entertainment system, and components thereof |
| US6682139 | 13 Nov 2001 | 27 Ene 2004 | Graco Children's Products Inc. | Child activity center, entertainment system, and components thereof |
| US6715826 | 13 Nov 2001 | 6 Abr 2004 | Graco Children's Products Inc. | Child activity center, entertainment system, and components thereof |
| US6854799 | 6 Feb 2004 | 15 Feb 2005 | Mattel, Inc. | Collapsible infant entertainment device |
| US6896575 | 9 May 2003 | 24 May 2005 | Evenflo Company, Inc. | Foldable infant activity center |
| US6932709 | 6 Feb 2004 | 23 Ago 2005 | Mattel, Inc. | Free-standing jumping device |
| US7025364 | 23 Dic 2003 | 11 Abr 2006 | | Combined stroller, walker and play station |
| US7287768 | 30 Dic 2003 | 30 Oct 2007 | Kolcraft Enterprises | Multi-mode child entertaining apparatus and methods of using the same |
| US7438644 | 23 Ago 2005 | 21 Oct 2008 | Mattel, Inc. | Free-standing jumping device |
| US7523984 | 28 Feb 2007 | 28 Abr 2009 | Evenflo Company, Inc. | Reconfigurable infant activity center |
| US7727076 | 13 Abr 2006 | 1 Jun 2010 | Mattel, Inc. | Free-standing jumping device |
| US7819410 | 17 Ene 2008 | 26 Oct 2010 | Kolcraft Enterprises, Inc. | Child walkers |
| US8182355 | 19 Abr 2010 | 22 May 2012 | Mattel, Inc. | Free-standing jumping device |
