Portable computer shaped learning machine

Details Portable computer shaped learning machine Portable computer shaped learning machine

2003-09-19

2004-08-10

Nunn, Freda S. (Department: 2911)

Office supplies; artists and teachers materials

Teaching material

Sensory feedback, e.g., audio-visual teaching machine

CD14S315000, CD14S327000

Design Patent

active

D0494220

CLAIM:
The ornamental design for a portable computer shaped learning machine, as shown and described.

REFERENCES:
patent: D308510 (1990-06-01), Cheung
patent: D310071 (1990-08-01), Kit
patent: D311908 (1990-11-01), Molyneaux
patent: D330048 (1992-10-01), Cheung et al.
patent: D358171 (1995-05-01), Cheng
patent: D428920 (2000-08-01), Chan

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