Office supplies; artists and teachers materials – Teaching material – Sensory feedback – e.g. – audio-visual teaching machine
Design Patent
2008-04-01
2008-04-01
Delehanty, Robert A. (Department: 2914)
Office supplies; artists and teachers materials
Teaching material
Sensory feedback, e.g., audio-visual teaching machine
Design Patent
active
D0565659
CLAIM:
The ornamental design for acoustic feedback learning aid, as shown and described.
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Cavanna Mark
Delehanty Robert A.
Lahey Seann P.
McNair Law Firm, P.A.
Super Duper Publications
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