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The ornamental design for a helmet, as shown and described.
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The broken lines depict parts of the helmet that form no part of the claimed design. The dot-dash chain lines depict boundaries of the claimed subject matter, and thus form no part of the claimed design.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Mar 13 2020 | PETZL, PAUL | Zedel | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 052331 | /0782 | |
| Apr 07 2020 | Zedel | (assignment on the face of the patent) | / |
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