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| US4887616 | 29 Dic 1986 | 19 Dic 1989 | | Restraint mitt for restraining a wearer's hand and arm |
| US6244271 | 13 Dic 1999 | 12 Jun 2001 | | Method of using infant's grasp impeding apparatus |
| USD621517 | 22 Jun 2007 | 10 Ago 2010 | University of Wolverhampton | Developmental aid for an infant or infirm person |
