Electronic teaching and entertainment housing or similar article

Details Electronic teaching and entertainment housing or similar article Electronic teaching and entertainment housing or similar article

1981-11-13

1984-04-24

Feifer, Melvin B.

Office supplies; artists and teachers materials

Teaching material

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

D14106

Patent

active

D02735946

REFERENCES:
patent: D255795 (1980-07-01), Marshall
patent: D258889 (1981-04-01), Hayashi
patent: 4016411 (1977-04-01), Genin
Playthings, May 1980, p. 62, lower left, "Mac".
Play Meter, Dec. 1980, p. 113, top illustration, game housing.

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