Educational block toy

Details Educational block toy Educational block toy

1975-11-28

1978-07-18

Stearman, Joel

Material or article handling equipment

Hand cart or frame therefor

Golf cart

D19 60, D34 15FF, D2101

Patent

active

D02485842

REFERENCES:
patent: 2377100 (1945-05-01), Patterson
patent: 3760511 (1973-09-01), Matsumoto
Child Guidance Catalog, 1973, p. 4, #612, Shape Register.
J. C. Penny Catalog, 1975, p. 330, Item A, Shape Sorting Box.

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