Office supplies; artists and teachers materials – Teaching material – Sensory feedback – e.g. – audio-visual teaching machine
Design Patent
2006-11-07
2006-11-07
Delehanty, Robert A. (Department: 2914)
Office supplies; artists and teachers materials
Teaching material
Sensory feedback, e.g., audio-visual teaching machine
Design Patent
active
D0531669
CLAIM:
The ornamental design for an educational device, as shown and described.
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patent: D503196 (2005-03-01), Blanchette
Ernst Tirza
Gordon Gayle E.
Cavanna Mark
Delehanty Robert A.
Learning Resources, Inc.
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