USD931826SActiveUtility

Sound amplifier

72
Assignee: SHANGHAI NORWII TECH CO LTDPriority: May 9, 2019Filed: May 9, 2019Granted: Sep 28, 2021
Est. expiryMay 9, 2039(~12.8 yrs left)· nominal 20-yr term from priority
Inventors:Yongyan Huang
72
PatentIndex Score
13
Cited by
13
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a sound amplifier, as shown and described.

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