USD471175SExpiredUtility

Wireless public address system

64
Assignee: ECEN ELECTRONICS CO LTDPriority: Mar 28, 2002Filed: Mar 28, 2002Granted: Mar 4, 2003
Est. expiryMar 28, 2022(expired)· nominal 20-yr term from priority
Inventors:Henry Lo
64
PatentIndex Score
15
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a “wireless public address system”, as shown and described.

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