Title:
Magnetic toy blocks
United States Patent 2795893
US Patent References:
Playblock
- - 1465637

Magnetic toy blocks
- - 2570625

Magnetically coupled toy train
- - 2607157


Inventors:
Vayo, Harold E.
Publication Date:
06/18/1957
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Assignee:
Vayo, Harold E.
Primary Class:
446/92
Other Classes:
52/DIG.004
International Classes:
A63H33/04