Title:
Game apparatus
United States Patent 2430681
Inventors:
Alvina, Johnson Tekla
Publication Date:
11/11/1947
Export Citation:
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Assignee:
Alvina, Johnson Tekla
Primary Class:
473/470
Other Classes:
D21/373
International Classes:
A63B67/06; A63F9/02; A63B67/06; A63F9/02
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US Patent References:
1970249Game
1477255Educational block
1247733N/A
0970901N/A
Foreign References:
GB155939A