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| US4169589 | 28 Sep 1977 | 2 Oct 1979 | | Leg exercising apparatus |
| US4236712 | 31 Ene 1979 | 2 Dic 1980 | | Standing calf exercise machine |
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| US4553747 | 10 May 1983 | 19 Nov 1985 | | Rotator cuff machine |
| US4561651 | 16 May 1983 | 31 Dic 1985 | | Weight lifting machine |
| US4600188 | 25 Nov 1985 | 15 Jul 1986 | Brigham Young University | Exercise machine for limb extremity digits |
| US4614338 | 29 Oct 1984 | 30 Sep 1986 | | Horizontal force exercise apparatus |
| US4616825 | 4 Mar 1985 | 14 Oct 1986 | | Aerobic exercise machine |
| US4757991 | 27 Ene 1987 | 19 Jul 1988 | | Lat isolating exercise machine |
| US4790530 | 14 Abr 1987 | 13 Dic 1988 | | Arm flexion exercise machine |
| US4822038 | 28 Oct 1987 | 18 Abr 1989 | | Calf isolating exercise machine |
| US4838548 | 1 Sep 1988 | 13 Jun 1989 | | Four-bar variable resistance leg extension machine |
| US4883269 | 9 May 1988 | 28 Nov 1989 | | Attachment for exercise bench |
| US4883270 | 9 Feb 1989 | 28 Nov 1989 | | Four-bar variable-resistance frontal calf developing machine |
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| US5080351 | 15 Jun 1990 | 14 Ene 1992 | Diversified Products Corporation | Compact multi-function weight-training exerciser |
| US5131897 | 19 Jul 1991 | 21 Jul 1992 | | Leg press adapter plate kit |
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| US5256125 | 7 Jul 1992 | 26 Oct 1993 | | Biceps curl machine |
| US5263914 | 15 Mar 1991 | 23 Nov 1993 | Loredan Biomedical, Inc. | Weight machine |
| US5267923 | 19 Ene 1993 | 7 Dic 1993 | | Reciprocating bellows operated exercise machine |
| US5342270 | 22 Feb 1993 | 30 Ago 1994 | | Exercise machine for upper torso |
| US5484365 | 13 May 1993 | 16 Ene 1996 | MedX Corporation | Leg press exercise machine |
| US5556361 | 5 Jul 1995 | 17 Sep 1996 | | Foldable exercise device capable of simulating a horse riding |
| US5667463 | 15 Sep 1992 | 16 Sep 1997 | | Exercise machines and methods |
| US5683334 | 18 Ene 1995 | 4 Nov 1997 | | Exercise apparatus with multi-exercise press station |
| US6264585 | 14 May 1998 | 24 Jul 2001 | | Direct drive exercising apparatus |
| US7614978 | 20 Dic 2007 | 10 Nov 2009 | Gary D. Piaget | Stair climbing exercise apparatus with improved bellows |
| US7794372 | 31 Jul 2008 | 14 Sep 2010 | Hoist Fitness Systems, Inc. | Leg press exercise machine with self-aligning pivoting seat |
| US7824315 | 2 Jul 2009 | 2 Nov 2010 | Gary D. Piaget | Stair climbing exercise apparatus with improved bellows |
| US7878953 | 11 Mar 2008 | 1 Feb 2011 | Hoist Fitness Systems, Inc. | Leg press exercise machine with self-aligning pivoting seat |
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| US7988603 | 31 Ago 2010 | 2 Ago 2011 | Hoist Fitness Systems, Inc. | Leg press exercise machine with self-aligning pivoting seat |
| US7993251 | 3 Dic 2008 | 9 Ago 2011 | Hoist Fitness Systems, Inc. | Pectoral fly exercise machine |
| US8162807 | 30 Ago 2010 | 24 Abr 2012 | Hoist Fitness Systems, Inc. | Exercise machine with multi-function user engagement device |
| US8177693 | 17 Feb 2011 | 15 May 2012 | Hoist Fitness Systems, Inc. | Calf exercise machine with rocking user support |
| USD357288 | 28 Ene 1994 | 11 Abr 1995 | | Physical exerciser |
| USD438918 | 5 Nov 1999 | 13 Mar 2001 | | Leg press and calf raise exercise machine |
| USD561849 | 1 Jun 2006 | 12 Feb 2008 | Gary D. Piaget | Exercise device |
