USD454987SExpiredUtility
Motorcycle helmet attachment
Est. expiryApr 20, 2021(expired)· nominal 20-yr term from priority
Inventors:Paul J. Hahm
58
PatentIndex Score
15
Cited by
8
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a motorcycle helmet attachment, as shown and described.
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