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Patentes

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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US39715556 Feb 197527 Jul 1976Marcy Gymnasium Equipment Co.Multipurpose body exercising machine
US452919817 Oct 198316 Jul 1985Weight lifting apparatus
US46919169 Ene 19858 Sep 1987Paramount Fitness CorporationExercise apparatus with trolley system
US482203417 Jun 198818 Abr 1989Barbell system
US497483827 Sep 19894 Dic 1990Exercise apparatus for performing free weight barbell exercises
US49829575 Sep 19898 Ene 1991Alignment apparatus for use in freeweight barbell systems
US505086816 Mar 199024 Sep 1991Criterion Bodybuilding Equipment, Inc.Leg training machine for body builders
US51354535 Sep 19904 Ago 1992Exercise apparatus for performing free weight barbell exercise
US518499227 May 19929 Feb 1993Multi-station physical exercise apparatus
US534227113 Dic 199330 Ago 1994Sound abating stack plate systems
US603335029 Sep 19977 Mar 2000Exercise resistance methods and apparatus
US654065022 May 20001 Abr 2003Weight selection method and apparatus
US68115212 Abr 20022 Nov 2004Laser Fit di Musso GiuseppeSporting apparatus to carry out exercises according to the natural physiological trajectory of each person
US68966459 May 200224 May 2005Exercise resistance methods and apparatus
US771317930 Oct 200711 May 2010Hoist Fitness Systems, Inc.Dual action weightlifting machine
US77271296 Feb 20061 Jun 2010Dual lift apparatus
US779437314 Oct 200914 Sep 2010Nautilus, Inc.Adjustable dumbbell system
US790974319 Mar 201022 Mar 2011Hoist Fitness Systems, Inc.Dual action weightlifting machine
US800268014 Sep 201023 Ago 2011Nautilus, Inc.Adjustable dumbbell system
US81372483 Mar 200920 Mar 2012Exercise resistance apparatus
USRE3111317 Ene 198028 Dic 1982Variable resistance lifting mechanism
USRE3117021 Abr 19808 Mar 1983Variable resistance exercising device