Electronic educational game housing

Details Electronic educational game housing Electronic educational game housing

1990-05-17

1992-10-06

Burke, Wallace R.

Office supplies; artists and teachers materials

Teaching material

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

D14106

Patent

active

D03300480

REFERENCES:
patent: D271029 (1983-10-01), Nagel et al.
patent: D273594 (1984-04-01), Lovejoy
patent: D307004 (1990-04-01), Azima
patent: D308510 (1990-06-01), Cheung
patent: D311908 (1990-11-01), Molyneaux
patent: D317759 (1991-06-01), Azima
patent: D319223 (1991-08-01), Pierce et al.
1987 Video Technology catalog excerpt, pp. 8, 9.

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