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| US5839578 | 24. März 1997 | 24. Nov. 1998 | Rxtra Inc. | Health improvement device for modifiying a daily behavior by reminding a person to take medication |
| US6053338 | 25. Nov. 1997 | 25. Apr. 2000 | Rxtra, Inc. | Adjustable health improvement device for modifying a daily behavior by reminding a person to take medication |
| US6253406 | 30. Apr. 1999 | 3. Juli 2001 | | Combined toothbrush handle and stand |
| US6325222 | 26. Nov. 1999 | 4. Dez. 2001 | Rxtra, Inc. | Adjustable health improvement device for modifying a daily behavior by reminding a person to take medication |
| USD407250 | 25. Nov. 1997 | 30. März 1999 | Rxtra Inc. | Adjustable health improvement device for modifying a daily behavior by reminding a person to take medication |
| USD407756 | 24. März 1997 | 6. Apr. 1999 | Rxtra Inc. | Health improvement device for modifying a daily behavior by reminding a person to take medication |
| USD417469 | 23. Juli 1998 | 7. Dez. 1999 | Rxtra Inc. | Health improvement device for modifying a daily behavior by reminding a person to take medication |
| USRE37535 | 6. Jan. 2000 | 5. Febr. 2002 | Rxtra Inc. | Health improvement device for modifying a daily behavior by reminding a person to take medication |
