USD617306SActiveUtility
Sound amplifier
Est. expiryAug 28, 2028(~2.1 yrs left)· nominal 20-yr term from priority
Inventors:Ivar Iversen
63
PatentIndex Score
16
Cited by
15
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a sound amplifier, as shown and described.
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