USD286632SExpiredUtility
Headphone
Est. expiryMay 30, 2004(expired)· nominal 20-yr term from priority
Inventors:Laurentius F. D. Teunis
82
PatentIndex Score
33
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a headphone, as shown.
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