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Ratchet knob ring for a headband

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Assignee: 3M INNOVATIVE PROPERTIES COPriority: Sep 22, 2017Filed: Apr 3, 2018Granted: Jul 2, 2019
Est. expirySep 22, 2037(~11.2 yrs left)· nominal 20-yr term from priority
Inventors:Martin BerggrenOskar Juhlin
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Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a ratchet knob ring for a headband, as shown and described.

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