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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US438576030 Ago 197931 May 1983Newmark Industries, Inc.Isokinetic exerciser
US44693254 Mar 19824 Sep 1984MaxcraftExercise machine
US448871914 Mar 198318 Dic 1984Bodytone LimitedCollapsible exercising apparatus
US46323934 Ene 198530 Dic 1986Multi-purpose exercising apparatus
US471714515 Ene 19865 Ene 1988Diversified Products Corp.Kayak exerciser device
US474680617 Ago 198724 May 1988United States of America as represented by the Secretary of the ArmyManually operated electrical generator apparatus
US50130331 Feb 19897 May 1991Proform Fitness Products, Inc.Rowing apparatus
US527768222 Abr 199311 Ene 1994Retarding device for an exerciser
US52999943 May 19935 Abr 1994Retarding device for an exerciser
US543369011 Jun 199318 Jul 1995Side jump and body twist exercising apparatus
US556500218 Mar 199415 Oct 1996StairMaster Sports/Medical Products, L.P.Exercise apparatus
US580387620 Ago 19978 Sep 1998Kayak exercise simulator
US611352228 Nov 19975 Sep 2000Robert N. MontgomeryExercise apparatus
US674954630 Ago 200215 Jun 2004Structure of an exercising apparatus as a rowboat
US708355427 Feb 19971 Ago 2006Nautilus, Inc.Exercise machine with infinite position range limiter and automatic belt tensioning system
US71086412 May 200119 Sep 2006Nautilus, Inc.Exercise equipment with multi-positioning handles
US760802818 Sep 200627 Oct 2009Nautilus, Inc.Exercise equipment with multi-positioning handles
US77316379 May 20088 Jun 2010Simulated rowing machine
US78287065 May 20089 Nov 2010Bilaterally actuated sculling trainer
US783313612 Ene 200816 Nov 2010Rowing trainer
US784607431 Oct 20087 Dic 2010Strength Master Fitness Tech. Co., Ltd.Recumbent exerciser
US791877317 Abr 20085 Abr 2011John BrennanPhysical therapy rehabilitation apparatus
US806662114 Feb 200329 Nov 2011Exercise apparatus having a user interface which can move arcuately in three dimensions
US81098591 Jun 20107 Feb 2012Bilaterally actuated sculling trainer
US82358744 Jun 20107 Ago 2012Simulated rowing machine