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The ornamental design for an adjustable headboard, as shown and described.
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1. Adjustable headboard
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The broken lines shown in Figures
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| May 30 2022 | FROMME-RUTHMANN, MARGRET | FROLI KUNSTSTOFFWERK HEINRICH FROMME, INH | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 060066 | /0260 |
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