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I claim the ornamental design for a rollator, as shown and described.
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The features shown in broken lines in
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Apr 30 2019 | TSAI, MAX | CARE & CARE HEALTH PRODUCTS CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 049210 | /0369 | |
| May 03 2019 | CARE & CARE HEALTH PRODUCTS CO., LTD. | (assignment on the face of the patent) | / |
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