USD483680SExpiredUtility

Sound level meter

Priority: Nov 7, 2002Filed: Nov 7, 2002Granted: Dec 16, 2003
Est. expiryNov 7, 2022(expired)· nominal 20-yr term from priority
Inventors:Li-Chuan Chen
73
PatentIndex Score
18
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a sound level meter, as shown.

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