USD938013SActiveUtility

Sound attenuation device

40
Assignee: CLARK JOHNPriority: May 8, 2019Filed: May 8, 2019Granted: Dec 7, 2021
Est. expiryMay 8, 2039(~12.8 yrs left)· nominal 20-yr term from priority
Inventors:John Clark
40
PatentIndex Score
2
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       I claim the ornamental design for a sound attenuation device, as shown and described.

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