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| US7159254 | 2 Dic 2004 | 9 Ene 2007 | | Motorized hammock swinging assembly |
| US7234177 | 14 Jun 2006 | 26 Jun 2007 | | Auto hammock rocker |
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| US7258618 | 18 Nov 2005 | 21 Ago 2007 | Wonderland Nursery goods Co., Ltd | Remote battery compartment for child swing motor |
| US7354352 | 28 Mar 2005 | 8 Abr 2008 | | Motorized drive for juvenile swing |
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| US7837570 | 27 Jul 2006 | 23 Nov 2010 | Kukutoys Co., Ltd. | Swing device having circuit for generating repulsive force |
| US7905791 | 11 Abr 2008 | 15 Mar 2011 | | Control device for a swing |
| USD288679 | 9 Jul 1984 | 10 Mar 1987 | | Device for imparting rocking motion to infant stroller |
