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| US5039093 | 25 mai 1990 | 13 août 1991 | | Toe exercise device |
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| US5348531 | 11 déc. 1992 | 20 sept. 1994 | Smith & Nephew Rolyan, Inc. | Wrap-on finger hooks |
| US5447490 | 21 juil. 1994 | 5 sept. 1995 | Smith & Nephew Rolyan, Inc. | Finger rehabilitation system |
| US5453064 | 31 juil. 1992 | 26 sept. 1995 | Natraflex Systems, Inc. | Exercise glove incorporating rods which offer resistance to movement of fingers, hands, or wrists |
| US5456650 | 12 nov. 1993 | 10 oct. 1995 | Natraflex Systems, Inc. | Ergonomic exercising and bracing device |
| US5514052 | 24 févr. 1994 | 7 mai 1996 | | Finger exerciser |
| US5613923 | 21 avr. 1995 | 25 mars 1997 | | Repetitive strain injury therapy device |
| US5738613 | 8 févr. 1996 | 14 avr. 1998 | | Device and method for exercising the muscles of the fingers and hand using weights |
| US5820577 | 26 sept. 1997 | 13 oct. 1998 | | Finger exercise device |
| US7156819 | 12 nov. 2004 | 2 janv. 2007 | R & R Holdings, LLC | Flexion and extension device |
