Electronic educational game housing

Details Electronic educational game housing Electronic educational game housing

1994-11-25

1996-05-14

Word, A. Hugo

Office supplies; artists and teachers materials

Teaching material

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

D21 13

Patent

active

D03698319

REFERENCES:
patent: D318306 (1991-07-01), Cheung
patent: D338045 (1993-08-01), Rosen
patent: D345377 (1994-03-01), Poon
patent: D350373 (1994-09-01), Chow et al.
1984 catalog, Video Technology (U.S.) Inc.
1987 catalog, Video Technology Industries, Inc., p. 3.
1990 catalog, Video Technology Industries, Inc., p. 25.
1991 catalog, Video Technology Industries, Inc., pp. 36, 37.
1992 catalog, Video Technology Industries, Inc., p. 21.
1993 catalog, Video Technology Industries, Inc., p. 31.

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