Automated educational device

Details Automated educational device Automated educational device

1995-10-16

1997-11-04

Lucas, Susan J.

Office supplies; artists and teachers materials

Teaching material

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

1907

Patent

active

D03859193

REFERENCES:
patent: D210075 (1968-02-01), Musser
patent: D239933 (1976-05-01), Champaigne
patent: D242247 (1976-11-01), Filer
patent: D263156 (1982-02-01), Ishikawa
patent: 660782 (1900-10-01), Strompell
patent: 4286380 (1981-09-01), Blount
patent: 4398720 (1983-08-01), Jones et al.
patent: 4398723 (1983-08-01), Erikson et al.

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