Educational and/or therapeutic game set or similar article

Details Educational and/or therapeutic game set or similar article Educational and/or therapeutic game set or similar article

1976-11-24

1979-06-12

Feifer, Melvin B.

Office supplies; artists and teachers materials

Teaching material

D 6216, D 6258, D 6260, D 6264, D25 92, D25 93, D92 1V, D92 1W, D21105, D1907

Patent

active

D02520940

REFERENCES:
patent: D202498 (1965-10-01), Lansky
patent: 3643956 (1972-02-01), Bovasso
Mattel Cat., 1970, p. 9, "Mangle Quadrangle".

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