Tool for assisting an individual in reading and math

Details Tool for assisting an individual in reading and math Tool for assisting an individual in reading and math

1996-06-05

1997-10-07

Lucas, Susan J.

Office supplies; artists and teachers materials

Teaching material

D10 71, 1907

Patent

active

D03846970

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patent: 5027523 (1991-07-01), MacLeod
patent: 5189445 (1993-02-01), Stagner

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