Cube puzzle

Details Cube puzzle Cube puzzle

1982-11-05

1984-10-16

Rademaker, Charles A.

Games, toys, and sports goods

Toy

Representation or scale model

Patent

active

D02759772

REFERENCES:
patent: 3222072 (1965-12-01), Dreyer
patent: 3608906 (1971-09-01), Older
patent: 3659360 (1972-05-01), Zeischegg
Playthings, 2-1980, p. 257, "Rubic" type cube near center of page.

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