Interactive quiz game

Details Interactive quiz game Interactive quiz game

1993-03-08

1995-04-11

Gandy, James M.

Office supplies; artists and teachers materials

Teaching material

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

D21 13, D14106

Patent

active

D03572790

REFERENCES:
patent: D257159 (1980-09-01), Hubbard et al.
patent: D265101 (1982-06-01), Tsuyuki
patent: D266675 (1982-10-01), Hanzawa
patent: D313252 (1990-12-01), Lomberk
patent: D336053 (1993-06-01), Hayes et al.
patent: 4403965 (1983-09-01), Hawkins

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