USD531164SExpiredUtility

Self-amplified loudspeaker

22
Assignee: BOGEN COMMUNICATIONS INCPriority: Apr 29, 2005Filed: Apr 29, 2005Granted: Oct 31, 2006
Est. expiryApr 29, 2025(expired)· nominal 20-yr term from priority
Inventors:Isaac FerstenbergThomas NelsonBerta Grushko
22
PatentIndex Score
1
Cited by
12
References
1
Claims

Claims

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

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