|
| US4232863 | 19 May 1978 | 11 Nov 1980 | O & R Products, Incorporated | Fitness bar |
| US4327907 | 5 Sep 1980 | 4 May 1982 | | Portable exercise device |
| US4662629 | 19 Sep 1984 | 5 May 1987 | | Exercise device |
| US5492520 | 7 Jul 1994 | 20 Feb 1996 | | Abdominal exerciser device |
| US5630778 | 21 Nov 1995 | 20 May 1997 | AB-CAM, L.L.C. | Abdominal exercise apparatus and method |
| US5725463 | 11 Jun 1996 | 10 Mar 1998 | Fitness Quest, Inc. | Abdominal exercise device |
| US5728035 | 3 May 1996 | 17 Mar 1998 | Guthy-Renker Corp. | Anchor plate for abdominal exercise device |
| US5776042 | 3 Jun 1996 | 7 Jul 1998 | | Abdominal exercise device |
| US6090024 | 29 Jun 1998 | 18 Jul 2000 | | Adjustable inversion supporter |
| USD301361 | 28 Jun 1988 | 30 May 1989 | Ballet Design, Inc. | Ballet barre |
| USD373394 | 2 Jun 1995 | 3 Sep 1996 | | Exercise stool |
| USD404432 | 3 May 1996 | 19 Jan 1999 | Guthy-Renker Corporation | Abdominal muscle exercise device |
