Story game
United States Patent 2728997
US Patent References:
/0577886.html
- - 0577886

Outlining device
- - 1603129

Apparatus to mechanize the conjugation of english verbs
- - 2204931

Educational apparatus
- - 2493668

Quiz device
- - 2497200


Inventors:
Gross, Leah K.
Publication Date:
01/03/1956
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Assignee:
Gross, Leah K.
Primary Class:
434/167
International Classes:
A63F9/18; G09B17/00
Foreign References:
GB130778A