Title:
Educational spelling toy
United States Patent 3252230
US Patent References:
Educational toy
- - 2505230
Educational question and answer device
- - 2853799
Educational toy
- - 3015895
/3124883.html
- - 3124883
Spelling devices
- - 3146534
Educational toy
- - 2505230
Educational question and answer device
- - 2853799
Educational toy
- - 3015895
/3124883.html
- - 3124883
Spelling devices
- - 3146534
Inventors:
Donev, George S.
Publication Date:
05/24/1966
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Export Citation:
Assignee:
Donev, George S.
Primary Class:
Other Classes:
434/340, 434/201
International Classes:
G09B17/00