Square puzzle

Details Square puzzle Square puzzle

1977-12-23

1982-08-24

Rademaker, Charles A.

Games, toys, and sports goods

Toy

Representation or scale model

D21107, D2101

Patent

active

D02659190

REFERENCES:
patent: 2885207 (1959-05-01), Wormser
Creative Puzzles of the World, .COPYRGT.1978, Harry Abrams, Inc., New York, pp. 31 and 38.

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