Title:
Magnetically actuated toy
United States Patent 2500475
Inventors:
Staaf, Harry R.
Publication Date:
03/14/1950
Export Citation:
Assignee:
Staaf, Harry R.
Primary Class:
Other Classes:
446/136, 446/161
International Classes:
A63H23/16; A63H23/00
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US Patent References:
Foreign References:
GB450161A