USD565659SActiveUtility

Acoustic feedback learning aid

27
Assignee: SUPER DUPER PUBLICATIONSPriority: Oct 23, 2006Filed: Oct 23, 2006Granted: Apr 1, 2008
Est. expiryOct 23, 2026(~0.2 yrs left)· nominal 20-yr term from priority
Inventors:Sharon G. Webber
27
PatentIndex Score
1
Cited by
9
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for acoustic feedback learning aid, as shown and described.

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