Citada por|
| US4204675 | 2 Ago 1978 | 27 May 1980 | Monicor Corp. | Air chamber leg exercising device | | US4438919 | 19 Mar 1982 | 27 Mar 1984 | | Mechanical bouncing, rolling and skating apparatus | | US5273507 | 8 Jul 1992 | 28 Dic 1993 | | Muscle exerciser | | US5915663 | 19 Mar 1993 | 29 Jun 1999 | | Object protection system from collision, vibration and earthquake | | US6835168 | 9 Dic 2002 | 28 Dic 2004 | | Exercise ball device | | US7195584 | 20 Jul 2004 | 27 Mar 2007 | Brunswick Corporation | Exercise apparatus for resistance training | | US7226397 | 26 Oct 2004 | 5 Jun 2007 | Brunswick Corporation | Rowing exercise machine | | US7722506 | 10 Mar 2008 | 25 May 2010 | iStep Global, LLC | Exercise device | | USD361604 | 11 May 1994 | 22 Ago 1995 | Mondo S.P.A. | Jumping ball | | USD428942 | 1 Jul 1998 | 1 Ago 2000 | | Jumping device having a flexible tether | | USD540887 | 23 May 2006 | 17 Abr 2007 | Tucker Toys, Inc. | Pogo ball |
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